MOLECULAR PATHOLOGY/MOLECULAR DIAGNOSTICS/ GENETIC TESTING

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UnitedHealthcare® Medicare Advantage
                                                                                                             Policy Guideline

      MOLECULAR PATHOLOGY/MOLECULAR DIAGNOSTICS/
                    GENETIC TESTING
Guideline Number: MPG210.11                                                                         Approval Date: March 13, 2019

                                                                                                             Terms and C onditions

Table of Contents                                                   Page      Related Medicare Advantage Policy Guidelines
POLIC Y SUMMARY......................................................1        •   C linical Diagnostic Laboratory Services
APPLIC ABLE C ODES ...................................................5       •   C orus® C AD (C oronary Artery Disease)
PURPOSE ................................................................ 22
REFERENC ES........................................................... 22     Related Medicare Advantage C overage Summaries
GUIDELINE HISTORY/REVISION INFORMATION .......... 23                          •   Genetic Testing
TERMS AND CONDITIONS......................................... 23              •   Laboratory Tests and Services

POLIC Y SUMMARY

                                                                                                                      See Purpose

Overview
This policy overview addresses molecular and genetic tests that have proven efficacy according to C MS, in the
diagnosis or treatment of medical conditions, including but not limited to the following:

Hereditary Breast and Ovarian Cancer
Anomalies in two genes, BRC A1 and BRC A2, are associated with an increased risk of breast and ovarian cancer.
Alterations in BRC A1 and BRC A2 explain many, but not all, of inherited forms of breast and ovarian cancer. With the
identification of BRC A1 and BRC A2, it is now possible to test for abnormalities in the genes to provide information on
the future risk of cancer and to make important treatment decisions in affected individuals. Approximately five- to
ten-percent of all breast cancers, and a similarly small percentage of ovarian cancers, are attributed to dominantly
inherited susceptibility. (See LC Ds for C ancer section for specific coverage guidelines.)

Gene expression assays for breast cancer treatment, including but not limited to:
Breast C ancer Index (BC I)® Genetic Assay
EndoPredict®
MammaPrint®
Oncotype DX TM
Oncotype DX DC IS
Prosigna™ Breast C ancer Prognostic Gene Signature Assay
(See LC Ds for C ancer section for specific coverage guidelines.)

Hereditary Colorectal and Endometrial Cancer Syndromes
Lynch Syndrome (previously denoted as Hereditary Non-Polyposis C olorectal C ancer (HNPC C) syndrome), is an
autosomal dominant syndrome that accounts for about 3-5% of colorectal cancer cases. HNPC C syndrome mutations
occur in the following genes: hMLH1, hMSH2, hMSH6, PMS2 and EPC AM. C olorectal cancers associated with Lynch
syndrome occur at a younger age (average age of onset between 44-61 years of age) compared with the more
common colorectal cancers typically found during the seventh decade of life. Gynecologic cancers may precede
colorectal cancer in as many as 50% of female HNPC C gene mutation carriers. (See LC Ds for C ancer section for
specific coverage guidelines.)

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Gene Identification, including but not limited to the following genes:
APC
BC R/ABL1
BRAF
C YP2C 19
C YP2D6
EGFR
JAK2
KRAS
MGMT
MUTYH
NRAS
(See LC Ds and Articles section for specific coverage guidelines.)

Multiple Myeloma Gene Expression Profile
MyPRS™ is a test for Multiple Myeloma Gene Expression Profile. Multiple myeloma is an incurable malignancy of
terminally differentiated antibody secreting plasma cells. The median overall survival is reported at 3-4 years. Disease
sequelae associated with this malignancy includes anemia, immunodeficiency, renal insufficiency/failure, lytic bone
lesions and hypercalcemia.
This test is used only after an initial diagnosis of multiple myeloma has been made and will be available to be used in
stratification of therapeutic interventions. The coverage is set to include only two clinical settings:
•    Once after initial diagnosis is made, or
•    If relapse has occurred and a change in the therapeutic modalities is contemplated
     (See LC Ds in C ancer section for coverage guidelines.)

Acute lymphoblastic leukemia (ALL) or multiple myeloma (MM) Sequencing
Minimal Residual Disease (MRD) refers to a measure of cancer cells that remain in a person during and following
treatment. Testing for MRD using the clonoSEQ® assay is reasonable and necessary when performed on bone marrow
specimens in patients with B-C ell acute lymphoblastic leukemia (ALL) or multiple myeloma. (See LC Ds in C ancer
section for coverage guidelines.)

Loss-of-Heterozygosity Based Topographic Genotyping with PathfinderTG ® /PancraGENTM Test for
Pancreatic Cyst/Mass
C ombining pathologic study with molecular analyses of microdissected tissue, is claimed to enhance the ability to
provide more specific diagnostic information, to help guide treatment decisions. These testing combinations are
generally known as topographic genotyping. (See LC D Miscellaneous section for coverage guidelines.)

Circulating Tumor Cell (CTC) Assay
C TC s represent the point in the metastatic process of solid tumors when cells from a primary tumor invade, detach,
disseminate, colonize and proliferate in a distant site. Detection of elevated C TC s during therapy may be an accurate
indication of subsequent rapid disease progression and mortality in breast, colorectal and prostate cancer, noting that
FDA labeling includes each of these neoplasms. As a result of limited acceptable study data, C TC s are considered not
medically necessary, for all indications. (See LC Ds for C TC s for specific coverage guidelines.)

Bladder Tumor Markers, including but not limited to:
Bladder Tumor Marker tests include: BTA TRAK ®, Nuclear matrix protein 22 (NMP-22), NMP-22 BladderC hek ®, The
UroVysion®, BTA (bladder tumor antigen) stat®, and The ImmunoC yt™. (See LC Ds for C ancer section for coverage
guidelines.)

NSCLC (non-small cell lung cancer) Testing
Guardant360® (Guardant Health, Redwood C ity, C A), is a plasma-based comprehensive somatic genomic profiling
test (hereafter called C GP) for patients with Stage IIIB/IV non-small cell lung cancer (NSC LC ).
Plasma-based C GP can help patients avoid an invasive biopsy to obtain tissue for tumor genotyping. (See LC Ds for
C ancer for coverage guidelines.)

Molecular Assays for Prostate Cancer, including but not limited to:
C onfirmMDx
Decipher ®
Oncotype DX™ Prostate C ancer
PROGENSA ® PC A3 Assay
Prolaris™
ProMark ® Risk Score
(See LC Ds for C ancer for coverage guidelines.)

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Transplant Recipients
AlloMap® Molecular Expression Testing is a non-invasive gene expression test used to aid in the identification of heart
transplant recipients.
AlloSure ® donor-derviced cell-free DNA is used to assess the probability of allograft rejection in kidney transplant
recipients with clinical suspicion of rejection.
(See LC Ds for Molecular Pathology section for coverage guidelines.)

Molecular Pathology Procedures for Human Leukocyte Antigen (HLA) Typing
Human Leukocyte Antigen (HLA) typing is performed to assess compatibility of recipients and potential donors as a
part of solid organ and hematopoietic stem cell/ bone marrow pretransplant testing. HLA testing is also performed to
identify HLA alleles and allele groups (antigen equivalents) associated with specific diseases and individualized
responses to drug therapy (e.g., HLA-B*27 and ankylosing spondylitis; HLA-B57:01 and abacavir hypersensitivity;
HLA-B*15:02 and carbamazepine, phenytoin or fosphenytoin hypersensitivity), as well as other clinical uses. One or
more HLA genes may be tested in specific clinical situations (e.g., HLA A, B, C ,-DRB1, and DQB1 for kidney
transplantation). Each HLA gene typically has multiple variant alleles or allele groups that can be identified by typing.
(See LC Ds for Molecular Pathology for coverage guidelines.)

GeneSight® Assay for Refractory Depression
GeneSight Psychotropic is a multiplex pharmacogenomic test involving the analysis of fifty alleles (SNPs) from six
different genes. The test results in the differentiation of psychoactive drugs that are likely to be effective and well-
tolerated by a particular patient versus those that are not. GeneSight testing may only be ordered by licensed
psychiatrists contemplating an alteration in neuropsychiatric medication for patients diagnosed with major depressive
disorder (MDD) after at least one prior neuropsychiatric medication failure. (See LC D for GeneSight in Miscellaneous
section for coverage guidelines.)

Assays for Rheumatoid Arthritis, including but not limited to:
The Avise ® PG Assay
Vectra ® DA
(See Article section for coverage guidelines.)

Genetic Testing for Myeloproliferative Disease
Myeloproliferative disorders are a group of conditions that cause abnormal growth of blood cells in the bone marrow.
They include polycythemia vera (PV), essential thrombocytosis (ET), primary myelofibrosis (PMF), and chronic
myelogenous leukemia (C ML). The World Health Organization (WHO) further classifies PV, ET, and PMF as Philadelphia
chromosome negative myeloproliferative neoplasms (MPNs). MPNs are characterized by an increase in the number of
blood cells. (See LC Ds for Molecular Pathology for coverage guidelines.)

Molecular RBC (red blood cell) Phenotyping
Molecular RBC Phenotyping is pretransfusion molecular testing using the HEA BeadC hip™ assay for the following
categories of patients:
•   Long term, frequent transfusions anticipated to prevent the development of alloantibodies (e.g. sickle cell anemia,
    thalassemia or other reason);
•   Autoantibodies or other serologic reactivity that impedes the exclusion of clinically significant alloantibodies (e.g.
    autoimmune hemolytic anemia, warm autoantibodies, patient recently transfused with a positive DAT, high-titer
    low avidity antibodies, patients about to receive or on daratumumab therapy, other reactivity of no apparent
    cause);
•   Suspected antibody against an antigen for which typing sera is not available; and
•   Laboratory discrepancies on serologic typing (e.g. rare Rh D antigen variants) (See LC Ds for Molecular Pathology
    for coverage guidelines.)

Guidelines
Based on the C enters for Medicare & Medicaid Services (C MS) Program Integrity Manual (100-08), this policy
addresses the circumstances under which the item or service is reasonable and necessary under the Social Security
Act, §1862(a)(1)(A). For laboratory services, a service can be reasonable and necessary if the service is safe and
effective; and appropriate, including the duration and frequency that is considered appropriate for the item or service,
in terms of whether it is furnished in accordance with accepted standards of medical practice for the diagnosis of the
patient's condition; furnished in a setting appropriate to the patient's medical needs and condition; ordered and
furnished by qualified personnel; one that meets, but does not exceed, the patient's medical need; and is at least as
beneficial as an existing and available medically appropriate alternative.

C ompliance with the provisions in this policy is subject to monitoring by post payment data analysis and subsequent
medical review. Title XVIII of the Social Security Act, Section 1862(a)(1)(A) states " ...no Medicare payment shall be

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made for items or services which are not reasonable and necessary for the diagnosis and treatment of illness or
injury...". Furthermore, it has been longstanding C MS policy that "tests that are performed in the absence of
signs, symptoms, complaints, or personal history of disease or injury are not covered unless explicitly
authorized by statute". Screening services, such as pre-symptomatic genetic tests and services, are those
used to detect an undiagnosed disease or disease predisposition, and as such are not a Medicare benefit
and not covered by Medicare. Similarly, Medicare may not reimburse the costs of tests/examinations that assess
the risk for and/or of a condition unless the risk assessment clearly and directly effects the management of the patient.
However, Medicare does cover a broad range of legislatively mandated preventive services to prevent disease, detect
disease early when it is most treatable and curable, and manage disease so that complications can be avoided. These
services can be found on the C MS website at http://www.cms.gov/PrevntionGenInfo/. Any preventive services and
tests whether listed on the C MS Preventive Services webpage or not,are considered non-covered screening
(preventive) tests or services which are not a benefit of the Medicare program.

Per 42 C ode of Federal Regulations (C FR) section 410.32 (a) states the following requirements: All diagnostic x-rays
tests, diagnostic laboratory tests, and other diagnostic tests must be ordered by the physician who is treating the
beneficiary, that is, the physician who furnishes a consultation or treats a beneficiary for a specific medical problem
and who uses the results in the management of the beneficiary’s specific medical problem. Tests not ordered by the
physician who is treating the beneficiary are not reasonable and necessary (see 411.15(k)(1)). Also, see Medicare
Benefit Policy Manual (100-02), C hapter 15, Section 80.6 for related physician order instructions.

Laboratory services must meet all applicable requirements of the C linical Laboratory Improvement Amendments of
1988 (C LIA), as set forth at 42 C FR part 493. Section 1862(a)(1)(A) of the Act provides that Medicare payment may
not be made for services that are not reasonable and necessary. C linical laboratory services must be ordered and
used promptly by the physician who is treating the beneficiary as described in 42 C FR 410.32(a), or by a qualified
nonphysician practitioner, as described in 42 C FR 410.32(a)(3).

Many applications of the molecular pathology procedures are not covered services given lack of benefit category
(preventive service) and/or failure to reach the reasonable and necessary threshold for coverage (based on quality of
clinical evidence and strength of recommendation). Furthermore, payment of claims in the past (based on stacking
codes) or in the future (based on the new code series) is not a statement of coverage since the service was not
audited for compliance with program requirements and documentation supporting the reasonable and necessary
testing for the beneficiary. C ertain tests and procedures may be subject to prepayment medical review (records
requested) and paid claims must be supportable, if selected, for post payment audit by the MAC or other contractors.
Tests for diseases or conditions that manifest severe signs or symptoms in newborns and in early childhood or that
result in early death (e.g., C anavan disease) could be subject to automatic denials since these tests are not usually
relevant to a Medicare beneficiary.

Documentation Guidelines
Documentation must be adequate to verify that coverage guidelines listed above have been met. Thus, the medical
record must contain documentation that the testing is expected to influence treatment of the condition toward which
the testing is directed. The laboratory or billing provider must have on file the physician requisition which sets forth
the diagnosis or condition that warrants the test(s).

Examples of documentation requirements of the ordering physician/nonphysician practitioner (NPP) include, but are
not limited to, history and physical or exam findings that support the decision making, problems/diagnoses, relevant
data (e.g., lab testing, imaging results).

Documentation requirements of the performing laboratory (when requested) include, but are not limited to, lab
accreditation, test requisition, test record/procedures, reports (preliminary and final), and quality control record.

Documentation requirements for lab developed tests/protocols (when requested) include diagnostic test/assay,
lab/manufacturer, names of comparable assays/services (if relevant), description of assay, analytical validity evidence,
clinical validity evidence, and clinical utility.

Providers are required to code to specificity however, if an unlisted C PT code is used the documentation must clearly
identify the unique procedure performed. When multiple procedure codes are submitted on a claim (unique and/or
unlisted) the documentation supporting each code should be easily identifiable. If on review the contractor cannot link
a billed code to the documentation, these services will be denied based on Title XVIII of the Social Security Act,
§1833(e).

When the documentation does not meet the criteria for the service rendered or the documentation does not establish
the medical necessity for the services, such services will be denied as not reasonable and necessary under Section
1862(a)(1)(A) of the Social Security Act.

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APPLIC ABLE C ODES

The following list(s) of codes is provided for reference purposes only and may not be all inclusive. Listing of a code in
this guideline does not imply that the service described by the code is a covered or non-covered health service.
Benefit coverage for health services is determined by the member specific benefit plan document and applicable laws
that may require coverage for a specific service. The inclusion of a code does not imply any right to reimbursement or
guarantee claim payment. Other Policies and Guidelines may apply.

           C PT C ode                                                 Description
                                 Human Platelet Antigen 1 genotyping (HPA-1), ITGB3 (integrin, beta 3 [platelet
                                 glycoprotein IIIa], antigen C D61 [GPIIIa]) (eg, neonatal alloimmune
             81105
                                 thrombocytopenia [NAIT], post-transfusion purpura), gene analysis, common variant,
                                 HPA-1a/b (L33P)
                                 Human Platelet Antigen 2 genotyping (HPA-2), GP1BA (glycoprotein Ib [platelet],
             81106               alpha polypeptide [GPIba]) (eg, neonatal alloimmune thrombocytopenia [NAIT],
                                 post-transfusion purpura), gene analysis, common variant, HPA-2a/b (T145M)
                                 Human Platelet Antigen 3 genotyping (HPA-3), ITGA2B (integrin, alpha 2b [platelet
                                 glycoprotein IIb of IIb/IIIa complex], antigen C D41 [GPIIb]) (eg, neonatal
             81107
                                 alloimmune thrombocytopenia [NAIT], post-transfusion purpura), gene analysis,
                                 common variant, HPA-3a/b (I843S)
                                 Human Platelet Antigen 4 genotyping (HPA-4), ITGB3 (integrin, beta 3 [platelet
                                 glycoprotein IIIa], antigen C D61 [GPIIIa]) (eg, neonatal alloimmune
             81108
                                 thrombocytopenia [NAIT], post-transfusion purpura), gene analysis, common variant,
                                 HPA-4a/b (R143Q)
                                 Human Platelet Antigen 5 genotyping (HPA-5), ITGA2 (integrin, alpha 2 [C D49B,
                                 alpha 2 subunit of VLA-2 receptor] [GPIa]) (eg, neonatal alloimmune
             81109
                                 thrombocytopenia [NAIT], post-transfusion purpura), gene analysis, common variant
                                 (eg, HPA-5a/b (K505E))
                                 Human Platelet Antigen 6 genotyping (HPA-6w), ITGB3 (integrin, beta 3 [platelet
                                 glycoprotein IIIa, antigen C D61] [GPIIIa]) (eg, neonatal alloimmune
             81110
                                 thrombocytopenia [NAIT], post-transfusion purpura), gene analysis, common variant,
                                 HPA-6a/b (R489Q)
                                 Human Platelet Antigen 9 genotyping (HPA-9w), ITGA2B (integrin, alpha 2b [platelet
                                 glycoprotein IIb of IIb/IIIa complex, antigen C D41] [GPIIb]) (eg, neonatal
             81111
                                 alloimmune thrombocytopenia [NAIT], post-transfusion purpura), gene analysis,
                                 common variant, HPA-9a/b (V837M)
                                 Human Platelet Antigen 15 genotyping (HPA-15), C D109 (C D109 molecule) (eg,
             81112               neonatal alloimmune thrombocytopenia [NAIT], post-transfusion purpura), gene
                                 analysis, common variant, HPA-15a/b (S682Y)
                                 IDH1 (isocitrate dehydrogenase 1 [NADP+], soluble) (e.g., glioma), common variants
             81120
                                 (e.g., R132H, R132C ) (Effective 01/01/2018)
                                 IDH2 (isocitrate dehydrogenase 2 [NADP+], mitochondrial) (e.g., glioma), common
             81121
                                 variants (e.g., R140W, R172M) (Effective 01/01/2018)
                                 DMD (dystrophin) (e.g., Duchenne/Becker muscular dystrophy) deletion analysis,
             81161
                                 and duplication analysis, if performed
                                 BRC A1 (BRC A1, DNA repair associated), BRC A2 (BRC A2, DNA repair associated)
             81162               (e.g., hereditary breast and ovarian cancer) gene analysis; full sequence analysis and
                                 full duplication/deletion analysis (ie, detection of large gene rearrangements)
                                 BRC A1 (BRC A1, DNA repair associated), BRC A2 (BRC A2, DNA repair associated) (eg,
             81163               hereditary breast and ovarian cancer) gene analysis; full sequence analysis
                                 (Effective 01/01/2019)
                                 BRC A1 (BRC A1, DNA repair associated), BRC A2 (BRC A2, DNA repair associated) (eg,
             81164               hereditary breast and ovarian cancer) gene analysis; full duplication/deletion analysis
                                 (ie, detection of large gene rearrangements) (Effective 01/01/2019)
                                 BRC A1 (BRC A1, DNA repair associated) (eg, hereditary breast and ovarian cancer)
             81165
                                 gene analysis; full sequence analysis (Effective 01/01/2019)

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C PT C ode                                                    Description
                                 BRC A1 (BRC A1, DNA repair associated) (eg, hereditary breast and ovarian cancer)
            81166                gene analysis; full duplication/deletion analysis (ie, detection of large gene
                                 rearrangements) (Effective 01/01/2019)
                                 BRC A2 (BRC A2, DNA repair associated) (eg, hereditary breast and ovarian cancer)
            81167                gene analysis; full duplication/deletion analysis (ie, detection of large gene
                                 rearrangements) (Effective 01/01/2019)
                                 ABL1 (ABL proto-oncogene 1, non-receptor tyrosine kinase) (e.g., acquired imatinib
            81170
                                 tyrosine kinase inhibitor resistance), gene analysis, variants in the kinase domain
                                 AFF2 (AF4/FMR2 family, member 2 [FMR2]) (eg, fragile X mental retardation 2
            81171
                                 [FRAXE]) gene analysis; evaluation to detect abnormal (eg, expanded) alleles
                                 AFF2 (AF4/FMR2 family, member 2 [FMR2]) (eg, fragile X mental retardation 2
            81172                [FRAXE]) gene analysis; characterization of alleles (eg, expanded size and
                                 methylation status) (Effective 01/01/2019)
                                 AR (androgen receptor) (eg, spinal and bulbar muscular atrophy, Kennedy disease, X
            81173                chromosome inactivation) gene analysis; full gene sequence (Effective
                                 01/01/2019)
                                 AR (androgen receptor) (eg, spinal and bulbar muscular atrophy, Kennedy disease, X
            81174                chromosome inactivation) gene analysis; known familial variant (Effective
                                 01/01/2019)
                                 ASXL1 (additional sex combs like 1, transcriptional regulator) (e.g., myelodysplastic
            81175                syndrome, myeloproliferative neoplasms, chronic myelomonocytic leukemia), gene
                                 analysis; full gene sequence (Effective 01/01/2018)
                                 ASXL1 (additional sex combs like 1, transcriptional regulator) (e.g., myelodysplastic
            81176                syndrome, myeloproliferative neoplasms, chronic myelomonocytic leukemia), gene
                                 analysis; targeted sequence analysis (e.g., exon 12) (Effective 01/01/2018)
                                 ATN1 (atrophin 1) (eg, dentatorubral-pallidoluysian atrophy) gene analysis,
            81177
                                 evaluation to detect abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                 ATXN1 (ataxin 1) (eg, spinocerebellar ataxia) gene analysis, evaluation to detect
            81178
                                 abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                 ATXN2 (ataxin 2) (eg, spinocerebellar ataxia) gene analysis, evaluation to detect
            81179
                                 abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                 ATXN3 (ataxin 3) (eg, spinocerebellar ataxia, Machado-Joseph disease) gene
            81180                analysis, evaluation to detect abnormal (eg, expanded) alleles (Effective
                                 01/01/2019)
                                 ATXN7 (ataxin 7) (eg, spinocerebellar ataxia) gene analysis, evaluation to detect
            81181
                                 abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                 ATXN8OS (ATXN8 opposite strand [non-protein coding]) (eg, spinocerebellar ataxia)
            81182                gene analysis, evaluation to detect abnormal (eg, expanded) alleles
                                 (Effective 01/01/2019)
                                 ATXN10 (ataxin 10) (eg, spinocerebellar ataxia) gene analysis, evaluation to detect
            81183
                                 abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                 C AC NA1A (calcium voltage-gated channel subunit alpha1 A) (eg, spinocerebellar
            81184                ataxia) gene analysis; evaluation to detect abnormal (eg, expanded) alleles
                                 (Effective 01/01/2019)
                                 C AC NA1A (calcium voltage-gated channel subunit alpha1 A) (eg, spinocerebellar
            81185
                                 ataxia) gene analysis; full gene sequence (Effective 01/01/2019)
                                 C AC NA1A (calcium voltage-gated channel subunit alpha1 A) (eg, spinocerebellar
            81186
                                 ataxia) gene analysis; known familial variant (Effective 01/01/2019)
                                 C NBP (C C HC -type zinc finger nucleic acid binding protein) (eg, myotonic dystrophy
            81187                type 2) gene analysis, evaluation to detect abnormal (eg, expanded) alleles
                                 (Effective 01/01/2019)
                                 C STB (cystatin B) (eg, Unverricht-Lundborg disease) gene analysis; evaluation to
            81188
                                 detect abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                 C STB (cystatin B) (eg, Unverricht-Lundborg disease) gene analysis; full gene
            81189
                                 sequence (Effective 01/01/2019)

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C PT C ode                                                   Description
                                 C STB (cystatin B) (eg, Unverricht-Lundborg disease) gene analysis; known familial
            81190
                                 variant(s) (Effective 01/01/2019)
                                 ASPA (aspartoacylase) (e.g., C anavan disease) gene analysis, common variants
            81200
                                 (e.g., E285A, Y231X)
                                 APC (adenomatous polyposis coli) (e.g., familial adenomatosis polyposis [FAP],
            81201
                                 attenuated FAP) gene analysis; full gene sequence
                                 APC (adenomatous polyposis coli) (e.g., familial adenomatosis polyposis [FAP],
            81202
                                 attenuated FAP) gene analysis; known familial variants
                                 APC (adenomatous polyposis coli) (e.g., familial adenomatosis polyposis [FAP],
            81203
                                 attenuated FAP) gene analysis; duplication/deletion variants
                                 AR (androgen receptor) (eg, spinal and bulbar muscular atrophy, Kennedy disease, X
            81204                chromosome inactivation) gene analysis; characterization of alleles (eg, expanded
                                 size or methylation status) (Effective 01/01/2019)
                                 BC KDHB (branched-chain keto acid dehydrogenase E1, beta polypeptide) (e.g.,
            81205                Maple syrup urine disease) gene analysis, common variants (e.g., R183P, G278S,
                                 E422X)
                                 BC R/ABL1 (t(9;22)) (e.g., chronic myelogenous leukemia) translocation analysis;
            81206
                                 major breakpoint, qualitative or quantitative
                                 BC R/ABL1 (t(9;22)) (e.g., chronic myelogenous leukemia) translocation analysis;
            81207
                                 minor breakpoint, qualitative or quantitative
                                 BC R/ABL1 (t(9;22)) (e.g., chronic myelogenous leukemia) translocation analysis;
            81208
                                 other breakpoint, qualitative or quantitative
                                 BLM (Bloom syndrome, RecQ helicase-like) (e.g., Bloom syndrome) gene analysis,
            81209
                                 2281del6ins7 variant
                                 BRAF (B-Raf proto-oncogene, serine/threonine kinase) (e.g., colon cancer,
            81210
                                 melanoma), gene analysis, V600 variant(s)
                                 BRC A1, BRC A2 (breast cancer 1 and 2) (e.g., hereditary breast and ovarian cancer)
                                 gene analysis; full sequence analysis and common duplication/deletion variants in
            81211
                                 BRC A1 (i.e., exon 13 del 3.835kb, exon 13 dup 6kb, exon 14-20 del 26kb, exon 22
                                 del 510bp, exon 8-9 del 7.1kb) (Expired 12/31/2018 – See 81162-81164)
                                 BRC A1 (BRC A1, DNA repair associated), BRC A2 (BRC A2, DNA repair associated)
            81212                (e.g., hereditary breast and ovarian cancer) gene analysis; 185delAG, 5385insC ,
                                 6174delT variants
                                 BRC A1, BRC A2 (breast cancer 1 and 2) (e.g., hereditary breast and ovarian cancer)
            81213                gene analysis; uncommon duplication/deletion variants (Expired 12/31/2018 –
                                 See 81162-81164)
                                 BRC A1 (breast cancer 1) (e.g., hereditary breast and ovarian cancer) gene analysis;
                                 full sequence analysis and common duplication/deletion variants (i.e., exon 13 del
            81214
                                 3.835kb, exon 13 dup 6kb, exon 14-20 del 26kb, exon 22 del 510bp, exon 8-9 del
                                 7.1kb) (Expired 12/31/2018 – See 81165-81166)
                                 BRC A1 (BRC A1, DNA repair associated) (e.g., hereditary breast and ovarian cancer)
            81215
                                 gene analysis; known familial variant
                                 BRC A2 (BRC A2, DNA repair associated) (e.g., hereditary breast and ovarian cancer)
            81216
                                 gene analysis; full sequence analysis
                                 BRC A2 (BRC A2, DNA repair associated) (e.g., hereditary breast and ovarian cancer)
            81217
                                 gene analysis; known familial variant
                                 C EBPA (C C AAT/enhancer binding protein [C /EBP], alpha) (e.g., acute myeloid
            81218
                                 leukemia), gene analysis, full gene sequence
                                 C ALR (calreticulin) (e.g., myeloproliferative disorders), gene analysis, common
            81219
                                 variants in exon 9
                                 C FTR (cystic fibrosis transmembrane conductance regulator) (e.g., cystic fibrosis)
            81220
                                 gene analysis; common variants (e.g., AC MG/AC OG guidelines)
                                 C FTR (cystic fibrosis transmembrane conductance regulator) (e.g., cystic fibrosis)
            81221
                                 gene analysis; known familial variants

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                                 Page 7 of 23
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              Proprietary Information of UnitedHealthcare. Copyright 2019 United HealthCare Services, Inc.
C PT C ode                                                   Description
                                 C FTR (cystic fibrosis transmembrane conductance regulator) (e.g., cystic fibrosis)
            81222
                                 gene analysis; duplication/deletion variants
                                 C FTR (cystic fibrosis transmembrane conductance regulator) (e.g., cystic fibrosis)
            81223
                                 gene analysis; full gene sequence
                                 C FTR (cystic fibrosis transmembrane conductance regulator) (e.g., cystic fibrosis)
            81224
                                 gene analysis; intron 8 poly-T analysis (e.g., male infertility)
                                 C YP2C 19 (cytochrome P450, family 2, subfamily C , polypeptide 19) (e.g., drug
            81225
                                 metabolism), gene analysis, common variants (e.g., *2, *3, *4, *8, *17)
                                 C YP2D6 (cytochrome P450, family 2, subfamily D, polypeptide 6) (e.g., drug
            81226                metabolism), gene analysis, common variants (e.g., *2, *3, *4, *5, *6, *9, *10,
                                 *17, *19, *29, *35, *41, *1XN, *2XN, *4XN)
                                 C YP2C 9 (cytochrome P450, family 2, subfamily C , polypeptide 9) (e.g., drug
            81227
                                 metabolism), gene analysis, common variants (e.g., *2, *3, *5, *6)
                                 C ytogenomic constitutional (genome-wide) microarray analysis; interrogation of
            81228                genomic regions for copy number variants (e.g., Bacterial Artificial C hromosome
                                 [BAC ] or oligo-based comparative genomic hybridization [C GH] microarray analysis)
                                 C ytogenomic constitutional (genome-wide) microarray analysis; interrogation of
            81229                genomic regions for copy number and single nucleotide polymorphism (SNP) variants
                                 for chromosomal abnormalities
                                 C YP3A4 (cytochrome P450 family 3 subfamily A member 4) (e.g., drug metabolism),
            81230
                                 gene analysis, common variant(s) (e.g., *2, *22) (Effective 01/01/2018)
                                 C YP3A5 (cytochrome P450 family 3 subfamily A member 5) (e.g., drug metabolism),
            81231                gene analysis, common variants (e.g., *2, *3, *4, *5, *6, *7)
                                 (Effective 01/01/2018)
                                 DPYD (dihydropyrimidine dehydrogenase) (e.g., 5-fluorouracil/5-FU and capecitabine
            81232                drug metabolism), gene analysis, common variant(s) (e.g., *2A, *4, *5, *6)
                                 (Effective 01/01/2018)
                                 BTK (Bruton's tyrosine kinase) (eg, chronic lymphocytic leukemia) gene analysis,
            81233
                                 common variants (eg, C 481S, C 481R, C 481F) (Effective 01/01/2019)
                                 DMPK (DM1 protein kinase) (eg, myotonic dystrophy type 1) gene analysis;
            81234
                                 evaluation to detect abnormal (expanded) alleles (Effective 01/01/2019)
                                 EGFR (epidermal growth factor receptor) (e.g., non-small cell lung cancer) gene
            81235                analysis, common variants (e.g., exon 19 LREA deletion, L858R, T790M, G719A,
                                 G719S, L861Q)
                                 EZH2 (enhancer of zeste 2 polycomb repressive complex 2 subunit) (eg,
            81236                myelodysplastic syndrome, myeloproliferative neoplasms) gene analysis, full gene
                                 sequence (Effective 01/01/2019)
                                 EZH2 (enhancer of zeste 2 polycomb repressive complex 2 subunit) (eg, diffuse large
            81237                B-cell lymphoma) gene analysis, common variant(s) (eg, codon 646)
                                 (Effective 01/01/2019)
                                 F9 (coagulation factor IX) (e.g., hemophilia B), full gene sequence (Effective
            81238
                                 01/01/2018)
                                 DMPK (DM1 protein kinase) (eg, myotonic dystrophy type 1) gene analysis;
            81239
                                 characterization of alleles (eg, expanded size) (Effective 01/01/2019)
                                 F2 (prothrombin, coagulation factor II) (e.g., hereditary hypercoagulability) gene
            81240
                                 analysis, 20210G>A variant
                                 F5 (coagulation Factor V) (e.g., hereditary hypercoagulability) gene analysis, Leiden
            81241
                                 variant
                                 FANC C (Fanconi anemia, complementation group C ) (e.g., Fanconi anemia, type C )
            81242
                                 gene analysis, common variant (e.g., IVS4+4A>T)
                                 FMR1 (Fragile X mental retardation 1) (e.g., fragile X mental retardation) gene
            81243
                                 analysis; evaluation to detect abnormal (e.g., expanded) alleles
                                 FMR1 (Fragile X mental retardation 1) (e.g., fragile X mental retardation) gene
            81244                analysis; characterization of alleles (e.g., expanded size and promoter methylation
                                 status)

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                                 Page 8 of 23
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              Proprietary Information of UnitedHealthcare. Copyright 2019 United HealthCare Services, Inc.
C PT C ode                                                  Description
                                 FLT3 (FMS-related tyrosine kinase 3) (e.g., acute myeloid leukemia), gene analysis,
            81245
                                 internal tandem duplication (ITD) variants (i.e., exons 14, 15)
                                 G6PD (glucose-6-phosphate dehydrogenase) (e.g., hemolytic anemia, jaundice),
            81247
                                 gene analysis; common variant(s) (e.g., A, A-) (Effective 01/01/2018)
                                 G6PD (glucose-6-phosphate dehydrogenase) (e.g., hemolytic anemia, jaundice),
            81248
                                 gene analysis; known familial variant(s) (Effective 01/01/2018)
                                 G6PD (glucose-6-phosphate dehydrogenase) (e.g., hemolytic anemia, jaundice),
            81249
                                 gene analysis; full gene sequence (Effective 01/01/2018)
                                 G6PC (glucose-6-phosphatase, catalytic subunit) (e.g., Glycogen storage disease,
            81250
                                 Type 1a, von Gierke disease) gene analysis, common variants (e.g., R83C , Q347X)
                                 GBA (glucosidase, beta, acid) (e.g., Gaucher disease) gene analysis, common
            81251
                                 variants (e.g., N370S, 84GG, L444P, IVS2+1G>A)
                                 GJB2 (gap junction protein, beta 2, 26kDa, connexin 26) (e.g., nonsyndromic hearing
            81252
                                 loss) gene analysis; full gene sequence
                                 GJB2 (gap junction protein, beta 2, 26kDa; connexin 26) (e.g., nonsyndromic
            81253
                                 hearing loss) gene analysis; known familial variants
                                 GJB6 (gap junction protein, beta 6, 30kDa, connexin 30) (e.g., nonsyndromic hearing
            81254                loss) gene analysis, common variants (e.g., 309kb [del(GJB6-D13S1830)] and 232kb
                                 [del(GJB6-D13S1854)])
                                 HEXA (hexosaminidase A [alpha polypeptide]) (e.g., Tay-Sachs disease) gene
            81255
                                 analysis, common variants (e.g., 1278insTATC , 1421+1G>C , G269S)
                                 HFE (hemochromatosis) (e.g., hereditary hemochromatosis) gene analysis, common
            81256
                                 variants (e.g., C 282Y, H63D)
                                 HBA1/HBA2 (alpha globin 1 and alpha globin 2) (e.g., alpha thalassemia, Hb Bart
                                 hydrops fetalis syndrome, HbH disease), gene analysis; common deletions or variant
            81257
                                 (e.g., Southeast Asian, Thai, Filipino, Mediterranean, alpha3.7, alpha4.2, alpha20.5,
                                 C onstant Spring)
                                 HBA1/HBA2 (alpha globin 1 and alpha globin 2) (e.g., alpha thalassemia, Hb Bart
            81258                hydrops fetalis syndrome, HbH disease), gene analysis; known familial variant
                                 (Effective 01/01/2018)
                                 HBA1/HBA2 (alpha globin 1 and alpha globin 2) (e.g., alpha thalassemia, Hb Bart
            81259                hydrops fetalis syndrome, HbH disease), gene analysis; full gene sequence
                                 (Effective 01/01/2018)
                                 IKBKAP (inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase
            81260                complex-associated protein) (e.g., familial dysautonomia) gene analysis, common
                                 variants (e.g., 2507+6T>C , R696P)
                                 IGH@ (Immunoglobulin heavy chain locus) (e.g., leukemias and lymphomas, B-cell),
            81261                gene rearrangement analysis to detect abnormal clonal population(s); amplified
                                 methodology (e.g., polymerase chain reaction)
                                 IGH@ (Immunoglobulin heavy chain locus) (e.g., leukemias and lymphomas, B-cell),
            81262                gene rearrangement analysis to detect abnormal clonal population(s); direct probe
                                 methodology (e.g., Southern blot)
                                 IGH@ (Immunoglobulin heavy chain locus) (e.g., leukemia and lymphoma, B-cell),
            81263
                                 variable region somatic mutation analysis
                                 IGK@ (Immunoglobulin kappa light chain locus) (e.g., leukemia and lymphoma, B-
            81264                cell), gene rearrangement analysis, evaluation to detect abnormal clonal
                                 population(s)
                                 C omparative analysis using Short Tandem Repeat (STR) markers; patient and
                                 comparative specimen (e.g., pre-transplant recipient and donor germline testing,
            81265                post-transplant non-hematopoietic recipient germline [e.g., buccal swab or other
                                 germline tissue sample] and donor testing, twin zygosity testing, or maternal cell
                                 contamination of fetal cells)
                                 C omparative analysis using Short Tandem Repeat (STR) markers; each additional
                                 specimen (e.g., additional cord blood donor, additional fetal samples from different
            81266
                                 cultures, or additional zygosity in multiple birth pregnancies) (List separately in
                                 addition to code for primary procedure)

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                                 Page 9 of 23
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              Proprietary Information of UnitedHealthcare. Copyright 2019 United HealthCare Services, Inc.
C PT C ode                                                 Description
                                C himerism (engraftment) analysis, post transplantation specimen (e.g.,
            81267               hematopoietic stem cell), includes comparison to previously performed baseline
                                analyses; without cell selection
                                C himerism (engraftment) analysis, post transplantation specimen (e.g.,
            81268               hematopoietic stem cell), includes comparison to previously performed baseline
                                analyses; with cell selection (e.g., C D3, C D33), each cell type
                                HBA1/HBA2 (alpha globin 1 and alpha globin 2) (e.g., alpha thalassemia, Hb Bart
            81269               hydrops fetalis syndrome, HbH disease), gene analysis; duplication/deletion variants
                                (Effective 01/01/2018)
                                JAK2 (Janus kinase 2) (e.g., myeloproliferative disorder) gene analysis, p.Val617Phe
            81270
                                (V617F) variant
                                HTT (huntingtin) (eg, Huntington disease) gene analysis; evaluation to detect
            81271
                                abnormal (eg, expanded) alleles (Effective 01/01/2019)
                                KIT (v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog) (e.g.,
            81272               gastrointestinal stromal tumor [GIST], acute myeloid leukemia, melanoma), gene
                                analysis, targeted sequence analysis (e.g., exons 8, 11, 13, 17, 18)
                                KIT (v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog) (e.g.,
            81273
                                mastocytosis), gene analysis, D816 variant(s)
                                KRAS (Kirsten rat sarcoma viral oncogene homolog) (e.g., carcinoma) gene analysis;
            81275
                                variants in exon 2 (e.g., codons 12 and 13)
                                KRAS (Kirsten rat sarcoma viral oncogene homolog) (e.g., carcinoma) gene analysis;
            81276
                                additional variant(s) (e.g., codon 61, codon 146)
                                IFNL3 (interferon, lambda 3) (e.g., drug response), gene analysis, rs12979860
            81283
                                variant (Effective 01/01/2018)
                                MGMT (O-6-methylguanine-DNA methyltransferase) (e.g., glioblastoma multiforme),
            81287
                                methylation analysis
                                MLH1 (mutL homolog 1, colon cancer, nonpolyposis type 2) (e.g., hereditary non-
            81288               polyposis colorectal cancer, Lynch syndrome) gene analysis; promoter methylation
                                analysis
                                MC OLN1 (mucolipin 1) (e.g., Mucolipidosis, type IV) gene analysis, common variants
            81290
                                (e.g., IVS3-2A>G, del6.4kb)
                                MTHFR (5,10-methylenetetrahydrofolate reductase) (e.g., hereditary
            81291
                                hypercoagulability) gene analysis, common variants (e.g., 677T, 1298C )
                                MLH1 (mutL homolog 1, colon cancer, nonpolyposis type 2) (e.g., hereditary non-
            81292
                                polyposis colorectal cancer, Lynch syndrome) gene analysis; full sequence analysis
                                MLH1 (mutL homolog 1, colon cancer, nonpolyposis type 2) (e.g., hereditary non-
            81293
                                polyposis colorectal cancer, Lynch syndrome) gene analysis; known familial variants
                                MLH1 (mutL homolog 1, colon cancer, nonpolyposis type 2) (e.g., hereditary non-
            81294               polyposis colorectal cancer, Lynch syndrome) gene analysis; duplication/deletion
                                variants
                                MSH2 (mutS homolog 2, colon cancer, nonpolyposis type 1) (e.g., hereditary non-
            81295
                                polyposis colorectal cancer, Lynch syndrome) gene analysis; full sequence analysis
                                MSH2 (mutS homolog 2, colon cancer, nonpolyposis type 1) (e.g., hereditary non-
            81296
                                polyposis colorectal cancer, Lynch syndrome) gene analysis; known familial variants
                                MSH2 (mutS homolog 2, colon cancer, nonpolyposis type 1) (e.g., hereditary non-
            81297               polyposis colorectal cancer, Lynch syndrome) gene analysis; duplication/deletion
                                variants
                                MSH6 (mutS homolog 6 [E. coli]) (e.g. hereditary non-polyposis colorectal cancer,
            81298
                                Lynch syndrome) gene analysis; full sequence analysis
                                MSH6 (mutS homolog 6 [E. coli]) (e.g., hereditary non-polyposis colorectal cancer,
            81299
                                Lynch syndrome) gene analysis; known familial variants
                                MSH6 (mutS homolog 6 [E. coli]) (e.g., hereditary non-polyposis colorectal cancer,
            81300
                                Lynch syndrome) gene analysis; duplication/deletion variants

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                               Page 10 of 23
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              Proprietary Information of UnitedHealthcare. Copyright 2019 United HealthCare Services, Inc.
C PT C ode                                                     Description
                                Microsatellite instability analysis (e.g., hereditary non-polyposis colorectal cancer,
            81301               Lynch syndrome) of markers for mismatch repair deficiency (e.g., BAT25, BAT26),
                                includes comparison of neoplastic and normal tissue, if performed
                                MEC P2 (methyl C pG binding protein 2) (e.g., Rett syndrome) gene analysis; full
            81302
                                sequence analysis
                                MEC P2 (methyl C pG binding protein 2) (e.g., Rett syndrome) gene analysis; known
            81303
                                familial variant
                                MEC P2 (methyl C pG binding protein 2) (e.g., Rett syndrome) gene analysis;
            81304
                                duplication/deletion variants
                                MYD88 (myeloid differentiation primary response 88) (eg, Waldenstrom's
            81305               macroglobulinemia, lymphoplasmacytic leukemia) gene analysis, p.Leu265Pro
                                (L265P) variant (Effective 01/01/2019)
                                NPM1 (nucleophosmin) (e.g., acute myeloid leukemia) gene analysis, exon 12
            81310
                                variants
                                NRAS (neuroblastoma RAS viral [v-ras] oncogene homolog) (e.g., colorectal
            81311               carcinoma), gene analysis, variants in exon 2 (e.g., codons 12 and 13) and exon 3
                                (e.g., codon 61)
                                PC A3/KLK3 (prostate cancer antigen 3 [non-protein coding]/kallikrein-related
            81313
                                peptidase 3 [prostate specific antigen]) ratio (e.g., prostate cancer)
                                PDGFRA (platelet-derived growth factor receptor, alpha polypeptide) (e.g.,
            81314               gastrointestinal stromal tumor [GIST]), gene analysis, targeted sequence analysis
                                (e.g., exons 12, 18)
                                PML/RARalpha, (t(15;17)), (promyelocytic leukemia/retinoic acid receptor alpha)
            81315               (e.g., promyelocytic leukemia) translocation analysis; common breakpoints (e.g.,
                                intron 3 and intron 6), qualitative or quantitative
                                PML/RARalpha, (t(15;17)), (promyelocytic leukemia/retinoic acid receptor alpha)
            81316               (e.g., promyelocytic leukemia) translocation analysis; single breakpoint (e.g., intron
                                3, intron 6 or exon 6), qualitative or quantitative
                                PMS2 (postmeiotic segregation increased 2 [S. cerevisiae]) (e.g., hereditary non-
            81317
                                polyposis colorectal cancer, Lynch syndrome) gene analysis; full sequence analysis
                                PMS2 (postmeiotic segregation increased 2 [S. cerevisiae]) (e.g., hereditary non-
            81318
                                polyposis colorectal cancer, Lynch syndrome) gene analysis; known familial variants
                                PMS2 (postmeiotic segregation increased 2 [S. cerevisiae]) (e.g., hereditary non-
            81319               polyposis colorectal cancer, Lynch syndrome) gene analysis; duplication/deletion
                                variants
                                PLC G2 (phospholipase C gamma 2) (eg, chronic lymphocytic leukemia) gene
            81320
                                analysis, common variants (eg, R665W, S707F, L845F) (Effective 01/01/2019)
                                PTEN (phosphatase and tensin homolog) (e.g., C owden syndrome, PTEN hamartoma
            81321
                                tumor syndrome) gene analysis; full sequence analysis
                                PTEN (phosphatase and tensin homolog) (e.g., C owden syndrome, PTEN hamartoma
            81322
                                tumor syndrome) gene analysis; known familial variant
                                PTEN (phosphatase and tensin homolog) (e.g., C owden syndrome, PTEN hamartoma
            81323
                                tumor syndrome) gene analysis; duplication/deletion variant
                                PMP22 (peripheral myelin protein 22) (e.g., C harcot-Marie-Tooth, hereditary
            81324               neuropathy with liability to pressure palsies) gene analysis; duplication/deletion
                                analysis
                                PMP22 (peripheral myelin protein 22) (e.g., C harcot-Marie-Tooth, hereditary
            81325
                                neuropathy with liability to pressure palsies) gene analysis; full sequence analysis
                                PMP22 (peripheral myelin protein 22) (e.g., C harcot-Marie-Tooth, hereditary
            81326
                                neuropathy with liability to pressure palsies) gene analysis; known familial variant
            81327               SEPT9 (Septin9) (e.g., colorectal cancer) promotor methylation analysis
                                SLC O1B1 (solute carrier organic anion transporter family, member 1B1) (e.g.,
            81328               adverse drug reaction), gene analysis, common variant(s) (e.g., *5)
                                (Effective 01/01/2018)

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                               Page 11 of 23
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C PT C ode                                                 Description
                                SMN1 (survival of motor neuron 1, telomeric) (eg, spinal muscular atrophy) gene
            81329               analysis; dosage/deletion analysis (eg, carrier testing), includes SMN2 (survival of
                                motor neuron 2, centromeric) analysis, if performed (Effective 01/01/2019)
                                SMPD1(sphingomyelin phosphodiesterase 1, acid lysosomal) (e.g., Niemann-Pick
            81330
                                disease, Type A) gene analysis, common variants (e.g., R496L, L302P, fsP330)
                                SNRPN/UBE3A (small nuclear ribonucleoprotein polypeptide N and ubiquitin protein
            81331               ligase E3A) (e.g., Prader-Willi syndrome and/or Angelman syndrome), methylation
                                analysis
                                SERPINA1 (serpin peptidase inhibitor, clade A, alpha-1 antiproteinase, antitrypsin,
            81332               member 1) (e.g., alpha-1-antitrypsin deficiency), gene analysis, common variants
                                (e.g., *S and *Z)
                                RUNX1 (runt related transcription factor 1) (e.g., acute myeloid leukemia, familial
            81334               platelet disorder with associated myeloid malignancy), gene analysis, targeted
                                sequence analysis (e.g., exons 3-8) (Effective 01/01/2018)
                                TPMT (thiopurine S-methyltransferase) (e.g., drug metabolism), gene analysis,
            81335
                                common variants (e.g., *2, *3) (Effective 01/01/2018)
                                SMN1 (survival of motor neuron 1, telomeric) (eg, spinal muscular atrophy) gene
            81336
                                analysis; full gene sequence (Effective 01/01/2019)
                                SMN1 (survival of motor neuron 1, telomeric) (eg, spinal muscular atrophy) gene
            81337
                                analysis; known familial sequence variant(s) (Effective 01/01/2019)
                                TRB@ (T cell antigen receptor, beta) (e.g., leukemia and lymphoma), gene
            81340               rearrangement analysis to detect abnormal clonal population(s); using amplification
                                methodology (e.g., polymerase chain reaction)
                                TRB@ (T cell antigen receptor, beta) (e.g., leukemia and lymphoma), gene
            81341               rearrangement analysis to detect abnormal clonal population(s); using direct probe
                                methodology (e.g., Southern blot)
                                TRG@ (T cell antigen receptor, gamma) (e.g., leukemia and lymphoma), gene
            81342
                                rearrangement analysis, evaluation to detect abnormal clonal population(s)
                                TERT (telomerase reverse transcriptase) (eg, thyroid carcinoma, glioblastoma
            81345               multiforme) gene analysis, targeted sequence analysis (eg, promoter region)
                                (Effective 01/01/2019)
                                TYMS (thymidylate synthetase) (e.g., 5-fluorouracil/5-FU drug metabolism), gene
            81346
                                analysis, common variant(s) (e.g., tandem repeat variant) (Effective 01/01/2018)
                                UGT1A1 (UDP glucuronosyltransferase 1 family, polypeptide A1) (e.g., irinotecan
            81350
                                metabolism), gene analysis, common variants (e.g., *28, *36, *37)
                                VKORC 1 (vitamin K epoxide reductase complex, subunit 1) (e.g., warfarin
            81355
                                metabolism), gene analysis, common variants (e.g., -1639G>A, c.173+1000C >T)
                                HBB (hemoglobin, subunit beta) (e.g., sickle cell anemia, beta thalassemia,
            81361               hemoglobinopathy); common variant(s) (e.g., HbS, HbC , HbE)
                                (Effective 01/01/2018)
                                HBB (hemoglobin, subunit beta) (e.g., sickle cell anemia, beta thalassemia,
            81362
                                hemoglobinopathy); known familial variant(s) (Effective 01/01/2018)
                                HBB (hemoglobin, subunit beta) (e.g., sickle cell anemia, beta thalassemia,
            81363
                                hemoglobinopathy); duplication/deletion variant(s) (Effective 01/01/2018)
                                HBB (hemoglobin, subunit beta) (e.g., sickle cell anemia, beta thalassemia,
            81364
                                hemoglobinopathy); full gene sequence (Effective 01/01/2018)
                                HLA C lass I and II typing, low resolution (e.g., antigen equivalents); HLA-A, -B, -C , -
            81370
                                DRB1/3/4/5, and -DQB1
                                HLA C lass I and II typing, low resolution (e.g., antigen equivalents); HLA-A, -B, and -
            81371
                                DRB1/3/4/5 (e.g., verification typing)
                                HLA C lass I typing, low resolution (e.g., antigen equivalents); complete (i.e., HLA-A,
            81372
                                -B, and -C )
                                HLA C lass I typing, low resolution (e.g., antigen equivalents); one locus (e.g., HLA-A,
            81373
                                -B, or -C ), each

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                               Page 12 of 23
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              Proprietary Information of UnitedHealthcare. Copyright 2019 United HealthCare Services, Inc.
C PT C ode                                                   Description
                                HLA C lass I typing, low resolution (e.g., antigen equivalents); one antigen equivalent
            81374
                                (e.g., B*27), each
                                HLA C lass II typing, low resolution (e.g., antigen equivalents); HLA-DRB1/3/4/5 and
            81375
                                -DQB1
                                HLA C lass II typing, low resolution (e.g., antigen equivalents); one locus (e.g., HLA-
            81376
                                DRB1/3/4/5, -DQB1, -DQA1, -DPB1, or -DPA1), each
                                HLA C lass II typing, low resolution (e.g., antigen equivalents); one antigen
            81377
                                equivalent, each
                                HLA C lass I and II typing, high resolution (ie, alleles or allele groups), HLA-A, -B, -C ,
            81378
                                and -DRB1
                                HLA C lass I typing, high resolution (i.e., alleles or allele groups); complete (i.e., HLA-
            81379
                                A, -B, and -C )
                                HLA C lass I typing, high resolution (i.e., alleles or allele groups); one locus (e.g.,
            81380
                                HLA-A, -B, or -C ), each
                                HLA C lass I typing, high resolution (i.e., alleles or allele groups); one allele or allele
            81381
                                group (e.g., B*57:01P), each
                                HLA C lass II typing, high resolution (i.e., alleles or allele groups); one locus (e.g.,
            81382
                                HLA-DRB1, -DRB3, -DRB4, -DRB5, -DQB1, -DQA1, -DPB1, or -DPA1), each
                                HLA C lass II typing, high resolution (i.e., alleles or allele groups); one allele or allele
            81383
                                group (e.g., HLA-DQB1*06:02P), each
            81400               Molecular pathology procedure, Level 1 analysis (short description)
            81401               Molecular pathology procedure, Level 2 analysis (short description)
            81402               Molecular pathology procedure, Level 3 analysis (short description)
            81403               Molecular pathology procedure, Level 4 analysis (short description)
            81404               Molecular pathology procedure, Level 5 analysis (short description)
            81405               Molecular pathology procedure, Level 6 analysis (short description)
            81406               Molecular pathology procedure, Level 7 analysis (short description)
            81407               Molecular pathology procedure, Level 8 analysis (short description)
            81408               Molecular pathology procedure, Level 9 analysis (short description)
                                Aortic dysfunction or dilation (e.g., Marfan syndrome, Loeys Dietz syndrome, Ehler
                                Danlos syndrome type IV, arterial tortuosity syndrome); genomic sequence analysis
            81410
                                panel, must include sequencing of at least 9 genes, including FBN1, TGFBR1,
                                TGFBR2, C OL3A1, MYH11, AC TA2, SLC 2A10, SMAD3, and MYLK
                                Aortic dysfunction or dilation (e.g., Marfan syndrome, Loeys Dietz syndrome, Ehler
            81411               Danlos syndrome type IV, arterial tortuosity syndrome); duplication/deletion analysis
                                panel, must include analyses for TGFBR1, TGFBR2, MYH11, and C OL3A1
                                Ashkenazi Jewish associated disorders (e.g., Bloom syndrome, C anavan disease,
                                cystic fibrosis, familial dysautonomia, Fanconi anemia group C , Gaucher disease,
            81412               Tay-Sachs disease), genomic sequence analysis panel, must include sequencing of at
                                least 9 genes, including ASPA, BLM, C FTR, FANC C , GBA, HEXA, IKBKAP, MC OLN1,
                                and SMPD1
                                C ardiac ion channelopathies (e.g., Brugada syndrome, long QT syndrome, short QT
                                syndrome, catecholaminergic polymorphic ventricular tachycardia); genomic
            81413
                                sequence analysis panel, must include sequencing of at least 10 genes, including
                                ANK2, C ASQ2, C AV3, KC NE1, KC NE2, KC NH2, KC NJ2, KC NQ1, RYR2, and SC N5A
                                C ardiac ion channelopathies (e.g., Brugada syndrome, long QT syndrome, short QT
                                syndrome, catecholaminergic polymorphic ventricular tachycardia);
            81414
                                duplication/deletion gene analysis panel, must include analysis of at least 2 genes,
                                including KC NH2 and KC NQ1
                                Exome (e.g., unexplained constitutional or heritable disorder or syndrome); sequence
            81415
                                analysis
                                Exome (e.g., unexplained constitutional or heritable disorder or syndrome); sequence
            81416               analysis, each comparator exome (e.g., parents, siblings) (List separately in addition
                                to code for primary procedure)

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                               Page 13 of 23
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C PT C ode                                                 Description
                                Exome (e.g., unexplained constitutional or heritable disorder or syndrome); re-
            81417               evaluation of previously obtained exome sequence (e.g., updated knowledge or
                                unrelated condition/syndrome)
                                Fetal chromosomal aneuploidy (e.g., trisomy 21, monosomy X) genomic sequence
            81420               analysis panel, circulating cell-free fetal DNA in maternal blood, must include analysis
                                of chromosomes 13, 18, and 21
                                Fetal chromosomal microdeletion(s) genomic sequence analysis (e.g., DiGeorge
            81422
                                syndrome, C ri-du-chat syndrome), circulating cell-free fetal DNA in maternal blood
                                Genome (e.g., unexplained constitutional or heritable disorder or syndrome);
            81425
                                sequence analysis
                                Genome (e.g., unexplained constitutional or heritable disorder or syndrome);
            81426               sequence analysis, each comparator genome (e.g., parents, siblings) (List separately
                                in addition to code for primary procedure)
                                Genome (e.g., unexplained constitutional or heritable disorder or syndrome); re-
            81427               evaluation of previously obtained genome sequence (e.g., updated knowledge or
                                unrelated condition/syndrome)
                                Hearing loss (e.g., nonsyndromic hearing loss, Usher syndrome, Pendred syndrome);
                                genomic sequence analysis panel, must include sequencing of at least 60 genes,
            81430
                                including C DH23, C LRN1, GJB2, GPR98, MTRNR1, MYO7A, MYO15A, PC DH15, OTOF,
                                SLC 26A4, TMC 1, TMPRSS3, USH1C , USH1G, USH2A, and WFS1
                                Hearing loss (e.g., nonsyndromic hearing loss, Usher syndrome, Pendred syndrome);
            81431               duplication/deletion analysis panel, must include copy number analyses for STRC and
                                DFNB1 deletions in GJB2 and GJB6 genes
                                Hereditary breast cancer-related disorders (e.g., hereditary breast cancer, hereditary
                                ovarian cancer, hereditary endometrial cancer); genomic sequence analysis panel,
            81432
                                must include sequencing of at least 10 genes, always including BRC A1, BRC A2,
                                C DH1, MLH1, MSH2, MSH6, PALB2, PTEN, STK11, and TP53
                                Hereditary breast cancer-related disorders (e.g., hereditary breast cancer, hereditary
            81433               ovarian cancer, hereditary endometrial cancer); duplication/deletion analysis panel,
                                must include analyses for BRC A1, BRC A2, MLH1, MSH2, and STK11
                                Hereditary retinal disorders (e.g., retinitis pigmentosa, Leber congenital amaurosis,
                                cone-rod dystrophy), genomic sequence analysis panel, must include sequencing of
            81434
                                at least 15 genes, including ABC A4, C NGA1, C RB1, EYS, PDE6A, PDE6B, PRPF31,
                                PRPH2, RDH12, RHO, RP1, RP2, RPE65, RPGR, and USH2A
                                Hereditary colon cancer disorders (e.g., Lynch syndrome, PTEN hamartoma
                                syndrome, C owden syndrome, familial adenomatosis polyposis); genomic sequence
            81435
                                analysis panel, must include sequencing of at least 10 genes, including APC , BMPR1A,
                                C DH1, MLH1, MSH2, MSH6, MUTYH, PTEN, SMAD4, and STK11
                                Hereditary colon cancer disorders (e.g., Lynch syndrome, PTEN hamartoma
                                syndrome, C owden syndrome, familial adenomatosis polyposis); duplication/deletion
            81436
                                analysis panel, must include analysis of at least 5 genes, including MLH1, MSH2,
                                EPC AM, SMAD4, and STK11
                                Hereditary neuroendocrine tumor disorders (e.g., medullary thyroid carcinoma,
                                parathyroid carcinoma, malignant pheochromocytoma or paraganglioma); genomic
            81437
                                sequence analysis panel, must include sequencing of at least 6 genes, including MAX,
                                SDHB, SDHC , SDHD, TMEM127, and VHL
                                Hereditary neuroendocrine tumor disorders (e.g., medullary thyroid carcinoma,
                                parathyroid carcinoma, malignant pheochromocytoma or paraganglioma);
            81438
                                duplication/deletion analysis panel, must include analyses for SDHB, SDHC , SDHD,
                                and VHL
                                Hereditary cardiomyopathy (e.g., hypertrophic cardiomyopathy, dilated
                                cardiomyopathy, arrhythmogenic right ventricular cardiomyopathy), genomic
            81439
                                sequence analysis panel, must include sequencing of at least 5 cardiomyopathy-
                                related genes (e.g., DSG2, MYBPC 3, MYH7, PKP2, TTN)

Mole cular Pathology/Molecular Diagnostics/Genetic Testing                                               Page 14 of 23
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