MA General Approach to Laboratory Testing (Preauthorization Required)
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Defines general coverage criteria and preauthorization expectations for genetic/molecular and other laboratory tests not addressed elsewhere, including carrier, familial variant, single-gene/multigene panels, prenatal diagnosis, and other laboratory tests; applies to Blue Cross Blue Shield - Nebraska members and ordering providers subject to payer rules.
No material clinical or coverage changes in this revision.
Coverage Criteria and Policy Scope
Known Familial Variant Analysis
Targeted mutation analysis for a known familial variant for a genetic condition may be considered reasonable and necessary when ALL of the following are met:
Targeted Carrier Screening
Carrier screening via full gene sequencing or targeted mutation analysis may be considered reasonable and necessary when ALL of the following are met:
Single-gene or Multigene Panel Analysis
Single-gene or multigene panel testing may be considered reasonable and necessary when ALL of the following are met:
Prenatal Diagnosis for Single-Gene Disorders
Prenatal diagnostic testing (amniocentesis, CVS, PUBS) for single-gene disorders may be considered reasonable and necessary when ALL of the following are met:
Other Laboratory Tests
Other laboratory tests may be considered reasonable and necessary when ALL of the following are met:
Single-gene or multigene panel coverage criteria
Covered when testing meets general clinical utility and diagnostic criteria
From policy section 'General Criteria for Single Gene or Multigene Panel Analysis'
Clinical utility considerations
Additional utility considerations that support coverage decisions
Policy lists these as clinical utility considerations
Tests listed (informational for authorization process)
Listed tests requiring preauthorization (descriptive entries only)
See individual code descriptions for intended clinical context (e.g., oncology, transplant, neurology).
Listed tests requiring policy consideration
Code list for tests subject to the policy
No detailed 'when covered' criteria in these chunks; refer to other policy sections.
General preauthorization coverage condition
Covered when preauthorization is obtained for listed procedures
This excerpt lists codes/examples by test type and molecular pathology level; medical necessity criteria are elsewhere in the full policy.
General prior authorization requirement
Coverage is predicated on prior authorization for the listed molecular and multianalyte tests and panels.
Specific clinical criteria and medical necessity logic are not present in this excerpt; refer to other parts of the policy for condition-specific criteria.
Prenatal diagnostic testing (amniocentesis, CVS, PUBS) for single-gene disorders is permitted only when the policy’s specific clinical criteria are met. Required conditions include parental carrier or known pathogenic variant status (autosomal dominant parent affected, both parents carriers for an autosomal recessive disorder, or suspected/known carrier for an X‑linked condition), or a history suggesting germline mosaicism; the disease’s natural history must be well understood with high morbidity, and the test must have adequate sensitivity and specificity to guide decision making. Importantly, prenatal diagnosis for adult-onset single-gene disorders (e.g., BRCA1/2) is considered not reasonable and necessary and is excluded under this policy.
The policy aligns with professional guidance that predictive or prenatal testing for adult-onset conditions should generally be deferred when results will not affect pregnancy or childhood medical management. The National Society of Genetic Counselors and AAP/ACMG emphasize deferring such testing for minors or prenatal contexts that do not change clinical care, and recommend pre-test genetic counseling to discuss implications, limitations, and ethical concerns before ordering testing for adult-onset conditions.
Where specific coverage criteria are not met, multiple sections state testing is not reasonable and necessary. Examples include targeted familial variant analysis when the familial change is a variant of uncertain significance (VUS), carrier screening performed outside the stated reproductive indications, single-gene or multigene panel testing that does not satisfy the policy’s clinical-feature, diagnostic‑uncertainty, clinical‑validity, and clinical‑utility requirements, prenatal testing for VUS or for adult‑onset disorders, and other laboratory tests performed outside CLIA‑approved laboratories.
Covered Indications and Clinical Contexts
Familial variant testing, targeted carrier screening, single-gene/multigene panels, prenatal diagnostic testing, and other laboratory tests where listed clinical criteria are met
Familial variant testing, targeted carrier screening, single-gene/multigene panels, prenatal diagnostic testing, and other laboratory tests where listed clinical criteria (clinical features, clinical validity, clinical utility, and laboratory certification) are met.
Diagnostic evaluation when test result will inform causality, prognosis, treatment, newborn screening per advisory committee, or when testing can reveal actionable secondary findings
Diagnostic evaluation when test result will inform causality, prognosis, treatment, newborn screening per advisory committee, or when testing can reveal actionable secondary findings.
Rare constitutional/heritable disorders — structural variant identification by optical genome mapping
Rare constitutional or heritable disorders where structural variant identification is required.
Oncology MRD and tumor-specific ctDNA/cfDNA analyses — examples and codes enumerated
Oncology minimal residual disease and tumor-specific ctDNA/cfDNA analyses — examples and codes enumerated.
Various specialty indications as listed per test
Various specialty indications as listed per test.
Examples of clinical contexts linked to tests
Examples of clinical contexts linked to tests — representative indications included in code descriptions.
Genetic diagnosis, pharmacogenetic testing, oncologic mutation analysis, HLA typing, and cytogenomic evaluations
Genetic diagnosis, pharmacogenetic testing, oncologic mutation analysis, HLA typing, and cytogenomic evaluations as exemplified by listed genes and assays.
Heritable, constitutional, and neoplastic disorders
Heritable, constitutional, and neoplastic disorders — many gene examples are provided in code listings.
Procedure and Test Codes
| 0001U | RBC DNA HEA 35 AG 11 BLD GRP WHL BLD CMN ALLEL |
| 0009U | ONC BRST CA ERBB2 COPY NUMBER FISH AMP/NONAMP |
| 0010U | NFCT DS STRN TYP WHL GENOME SEQUENCING PR ISOL |
| 0019U | ONC RNA WHL TRANSCIPTOME SEQ TISS PREDCT ALG |
| 0022U | TRGT GEN SEQ ALYS NONSM LNG NEO DNA&RNA 23 GENES |
| 0023U | ONC AML DNA GNTYP INT TANDEM DUP DETCJ/NONDETCJ |
| 0035U | NEURO CSF DETCJ PRION PRTN QUAKG CONF CONV QUAL |
| 0046U | FLT3 GENE INT TANDEM DUPL VARIANTS QUANTITATIVE |
| 0055U | CARD HRT TRNSPL 96 TARGET DNA SEQUENCES PLASMA |
| 0058U | ONC MERKEL CELL CARC DETCJ ANTB SERUM QUAN |
| 0184U | DO GNOTYP GENE ANALYSIS ART4 EXON 2 |
| 0185U | FUT1 GNOTYP GENE ANALYSIS FUT1 EXON 4 |
| 0186U | FUT2 GNOTYP GENE ANALYSIS FUT2 EXON 2 |
| 0187U | FY GNOTYP GENE ANALYSIS ACKR1 EXONS 1-2 |
| 0188U | GE GNOTYP GENE ANALYSIS GYPC EXONS 1-4 |
| 0189U | GYPA GNOTYP GENE ALYS GYPA INTRONS 1 5 EXON 2 |
| 0190U | GYPB GNOTYP ALYS GYPB INTRON 1 5 PSEUDOEXON 3 |
| 0191U | IN GNOTYP GENE ANALYSIS CD44 EXONS 2 3 6 |
| 0192U | JK GNOTYP GENE ANALYSIS SLC14A1 GEN PRMTR EXON 9 |
| 0193U | JR GNOTYP GENE ANALYSIS ABCG2 EXONS 2-26 |
| 0003M | LIVER DIS 10 ASSAYS SERUM ALGORITHM W/NASH |
| 0004M | NUCLEOTIDE POLYMORPHISMS (SCOLIOSIS) 53 SNPS |
| 0006M | ONCOLOGY (HEPATIC) MRNA 161 GENES |
| 0011M | ONC PRST8 CA MRNA 12 GENES BLD PLSM & UR ALG |
| 81105 | HPA-1 GENOTYPING GENE ANALYSIS COMMON VARIANT |
| 81177 | ATN1 GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81178 | ATXN1 GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81179 | ATXN2 GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81180 | ATXN3 GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81181 | ATXN7 GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81182 | ATXN8OS GENE ANALYSIS EVAL DETC ABNORMAL ALLELES |
| 81183 | ATXN10 GENE ANALYSIS EVAL DETC ABNORMAL ALLELES |
| 81184 | CACNA1A GENE ANALYSIS EVAL DETECT ABNOR ALLELES |
| 81185 | CACNA1A GENE ANALYSIS FULL GENE SEQUENCE |
| 81186 | CACNA1A GENE ANALYSIS KNOWN FAMILIAL VARIANT |
| 81187 | CNBP GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81188 | CSTB GENE ANALYSIS EVAL DETECT ABNORMAL ALLELES |
| 81189 | CSTB GENE ANALYSIS FULL GENE SEQUENCE |
| 81191 | NTRK1 TRANSLOCATION ANALYSIS |
| 81192 | NTRK2 TRANSLOCATION ANALYSIS |
| 81193 | NTRK3 TRANSLOCATION ANALYSIS |
| 81406 | MOLECULAR PATHOLOGY PROCEDURE LEVEL 7 (listed under Level 6/7 context in this excerpt) |
| 81407 | MOLECULAR PATHOLOGY PROCEDURE LEVEL 8 |
| 81408 | MOLECULAR PATHOLOGY PROCEDURE LEVEL 9 |
| 81415 | EXOME SEQUENCE ANALYSIS |
| 81416 | EXOME SEQUENCE ANALYSIS EACH COMPARATOR EXOME |
| 81425 | GENOME SEQUENCE ANALYSIS |
| 81426 | GENOME SEQUENCE ANALYSIS EACH COMPARATOR GENOME |
| 81427 | GENOME RE-EVALUATION OF PREVIOUSLY OBTAINED GENOME SEQUENCE |
| 81432 | HEREDITARY BREAST CANCER-RELATED GENETIC SEQUENCE PANEL (>=14 genes) |
| 81434 | HEREDITARY RETINAL DISORDERS GEN SEQ ANALYSIS (>=15 genes) |
Provider Responsibilities, Prior Authorization, and Documentation
Preauthorization required for unspecified laboratory/genetic testing
Preauthorization is required for genetic and other laboratory tests not addressed elsewhere; requests must meet the policy’s clinical criteria for the test type (familial variant, carrier screening, single‑gene/multigene panels, prenatal diagnosis, or other laboratory tests).
- Request prior authorization before performing tests covered by this policy.
Preauthorization required for listed PLA codes
The listed proprietary PLA/unique laboratory procedure codes require prior authorization; providers must submit a procedure plus diagnosis code pair (use Quick Code Search to add code pairs) when requesting authorization.
- Include both the procedure (PLA) code and the associated diagnosis code in the authorization request via Quick Code Search.
Preauthorization required for listed tests
Preauthorization is required for the tests enumerated by code in the policy; providers must request prior authorization using the exact test code and descriptor shown in the code list when seeking coverage.
- Order and submit the exact CPT/PLA code and test descriptor from the policy when requesting authorization.
Preauthorization required — listed laboratory tests governed by preauthorization
The laboratory tests enumerated in this document are governed by the policy’s preauthorization process and require review prior to service; do not assume inclusion in the code list guarantees coverage without authorization.
- Obtain preauthorization per Policy M.89 before performing listed laboratory tests.
Prior authorization required for listed molecular/genetic tests
Prior authorization is required for the molecular and genetic CPT/HCPCS codes listed in the policy; providers must request authorization referencing the exact CPT or PLA code(s).
- Reference the specific CPT/HCPCS code(s) (e.g., 81177–81182 and others listed) in prior authorization requests.
Preauthorization required for listed codes
Preauthorization is required for the molecular pathology and genetic/cytogenomic procedure codes enumerated in this section; providers must request authorization referencing the exact CPT/PLA code(s) listed.
- Submit the precise CPT/PLA code(s) from the policy when requesting prior authorization for molecular pathology procedures.
Prior authorization required — exome/genome and multianalyte assay codes
Prior authorization is required for exome/genome sequence analysis and multianalyte assay codes (examples include exome/genome and multianalyte assay CPT codes listed); obtain authorization before testing.
- Reference exome/genome and multianalyte CPT codes (e.g., 81415–81427, 815xx codes) in authorization requests.
Preauthorization requirement — medical policies determine scientific validity and coverage
BCBSN uses its medical policies to determine scientific validity and to administer plan benefits; certain laboratory tests require preauthorization per this policy and benefits are determined by the applicable contract terms.
- Follow BCBSN preauthorization processes; the medical policy determines scientific validity but does not itself guarantee benefits.
Prefer targeted familial variant testing when possible
When a known pathogenic familial variant exists, ordering targeted familial variant analysis is preferred over broader single‑gene or multigene panel testing.
- If a familial pathogenic/likely pathogenic variant is known, submit a request for targeted variant analysis rather than a broad panel.
Required documentation to support medical necessity
Document the member’s clinical features, prior evaluations (labs/imaging), familial variant status (if known), and evidence of the test’s clinical validity and utility to support medical necessity for authorization and claims.
- Include relevant clinical signs/symptoms and prior diagnostic workup.
- Indicate known familial variant status when applicable.
- Provide rationale showing clinical validity/utility for the requested test.
Pre-test counseling documentation
Provide documentation of pre‑test genetic counseling (discussion of test performance, limitations, benefits, and alternatives) prior to ordering genetic tests, particularly for prenatal or predictive testing.
- Document counseling content including benefits, limitations, sensitivity/specificity, and potential outcomes.
- Recommend counseling by a genetic counselor or genetics‑expert clinician.
Documentation to support preauthorization
When requesting preauthorization, include the exact test code and the appropriate clinical documentation demonstrating how the request meets the policy’s clinical criteria.
- Submit the precise CPT/PLA code and supporting clinical notes demonstrating medical necessity.
- Use Quick Code Search to verify procedure+diagnosis code pairing for authorization.
Required billing/test documentation
Use the billing code and full test description listed in the policy for preauthorization and claims documentation; each listed test entry includes the billing code and description to be used.
- Ensure claims and authorization requests use the exact code/description from the policy’s code list.
Submission should cite listed test codes
Submit preauthorization requests referencing the specific test code(s) listed in the policy (for example, gene analysis codes 81177, 81178, etc.) to obtain prior authorization.
- Reference the exact CPT or PLA code(s) from the policy in the authorization submission.
Use code-level descriptors for authorization
When requesting authorization, reference the molecular pathology procedure level and code‑level descriptors (Levels 1–7 and examples) as shown in the policy to clarify analytic scope and match the requested service.
- Include the molecular pathology procedure level (e.g., 81400–81406, or higher-level codes) and examples of gene/exon scope when applicable.
Documentation and references
Follow the policy references and disclaimers and provide any cited professional guideline support when submitting authorization requests; adhere to BCBSN preauthorization procedures.
- Cite relevant professional guidance (NSGC, ACOG, AAP/ACMG) and include policy disclaimers as applicable in submissions.
Provider responsibility and benefits determination
Providers remain responsible for clinical decision‑making and patient care; benefits for a particular service are determined by the terms and conditions of the member’s benefit contract, not the policy alone.
- Obtain benefit determination from the member’s contract even if the test meets policy criteria.
Denial for VUS familial variant testing
Targeted mutation analysis for a known familial variant of uncertain significance (VUS) is considered not reasonable and necessary and would be denied.
- Do not request targeted familial testing for variants classified as VUS; such requests will be considered not reasonable and necessary.
Denial for prenatal testing for adult-onset single-gene disorders
Prenatal diagnostic testing for adult‑onset single‑gene disorders (e.g., BRCA1/2) is considered not reasonable and necessary and would be denied.
- Do not submit prenatal diagnostic testing requests for known adult‑onset single‑gene disorders if pregnancy/childhood management will not be affected.
Denial for non-CLIA laboratory testing
Tests performed outside a CLIA‑approved laboratory are considered not reasonable and necessary and will be denied; ensure testing is performed in a CLIA‑approved laboratory.
- Confirm the performing laboratory is CLIA‑approved before submitting authorization or claims.
Code-pair entry requirement
Use the Quick Code Search to submit both the procedure and diagnosis code pair; failure to enter the required procedure+diagnosis code pair or mismatched pairing may result in denial or hold for review.
- Enter the procedure code first, then the diagnosis code, and click 'Add Code Pair' in Quick Code Search.
- Ensure the diagnosis code aligns with the policy’s clinical criteria for the procedure.
Preauthorization requirement (implied)
Submitting requests without prior authorization for tests covered under the policy’s General Criteria for Other Laboratory Tests may trigger denial; obtain authorization before service.
- Do not perform or bill for listed tests without first obtaining required prior authorization.
Preauthorization requirement — tests listed are subject to preauthorization per Policy M.89
Tests listed in this document are subject to preauthorization per Policy M.89; lack of preauthorization may trigger denial under the policy.
- Obtain prior authorization per Policy M.89 for listed tests to avoid denial.
Preauthorization required — document header indicates 'Preauthorization Required'
The document header and policy text indicate 'Preauthorization Required' for laboratory testing under this policy; ordering providers must obtain authorization prior to service.
- Ordering providers must request and receive preauthorization before performing tests covered by this policy.
Preauthorization requirement (general) — tests part of payer’s general preauthorization approach
The tests enumerated throughout the policy are part of BCBSN’s general approach requiring preauthorization; failure to obtain authorization may result in denial or hold for review.
- Verify authorization requirements for each listed CPT/PLA code prior to ordering.
Preauthorization required — molecular pathology and other listed laboratory tests
Molecular pathology and other listed laboratory tests require prior authorization; ordering providers must obtain preauthorization and reference the listed CPT/PLA code when requesting authorization.
- Include the exact code and test descriptor from the policy when submitting authorization requests for molecular pathology tests.
Denial risk from lack of authorization
Services may be denied if not authorized per the terms and conditions of the applicable benefit contract; the medical policy does not itself constitute authorization or guarantee coverage.
- Obtain explicit authorization per member benefit contract; policies do not replace contractual benefit determinations.
Ordering, Counseling, and Submission Requirements
ORDERING REQUIREMENTS — genetic counseling involvement recommended; ordering guided by clinical evaluation and family history
Ordering should be guided by clinical evaluation and family history; consider involving genetic counseling and ensure carrier screening is performed when appropriate (ideally preconception) with counseling documented.
- Consider referral to a genetic counselor or genetics‑expert clinician for pre‑test counseling.
- Document family history and clinical evaluation supporting the test request.
Pre-test genetic counseling recommended
Pre‑test genetic counseling by a genetic counselor or genetics‑expert clinician is recommended prior to prenatal or predictive testing; document counseling and informed consent discussions.
- Document that the patient received pre‑test counseling including risks, benefits, limitations, and possible outcomes.
- Recommend counseling especially for prenatal and predictive testing.
Code-pair submission required for Quick Code Search/prior authorization
Submission of both procedure and diagnosis code pairs is required for the Quick Code Search/prior authorization process; enter the procedure code then the diagnosis code to add the pair for review.
- Use Quick Code Search: enter the procedure code, then the diagnosis code, and click 'Add Code Pair' to submit for review.
Ordering provider must request preauthorization and use the exact test code when ordering
The ordering provider must request preauthorization and use the exact test code and descriptor from the policy when ordering to ensure the authorization matches the service.
- Reference the exact CPT/PLA code and descriptor in the authorization request.
Preauthorization required for listed tests under Policy M.89 — ordering provider responsibilities implied
Preauthorization is required for the tests listed under Policy M.89; ordering provider responsibilities are implied (obtain authorization, submit required documentation) though specific permitted ordering provider types are not detailed in the excerpt.
- Ordering providers must obtain prior authorization and supply clinical documentation per the policy.
Authorization requests should reference specific CPT code(s)
Authorization requests should reference the specific CPT code(s) being ordered; the policy emphasizes citing the exact code(s) though ordering provider qualifications are not specified in the excerpt.
Preauthorization must be obtained — reference specific CPT/PLA code and descriptor
Preauthorization must be obtained and the ordering provider should reference the specific CPT/PLA code and test descriptor when requesting authorization.
- Ensure the authorization request cites the exact CPT/PLA code and the test descriptor from the policy’s code list.
Prior authorization required — ordering providers must obtain preauthorization
Ordering providers must obtain prior authorization for listed tests; the excerpt indicates prior authorization is required though specific provider types allowed to order are not listed.
- Obtain prior authorization before ordering listed molecular/genomic tests.
Not Covered / Exclusions
The policy identifies categories of testing that are not covered: testing of a familial or prenatal variant of uncertain significance (VUS) is considered not reasonable and necessary; prenatal diagnostic testing for adult-onset single-gene disorders (for example, hereditary cancer syndromes such as BRCA1/2) is excluded; and laboratory tests performed outside a CLIA‑approved laboratory are not covered. Providers should request preauthorization and supply documentation demonstrating the test meets the applicable clinical criteria and is performed in a CLIA‑approved laboratory.
Prenatal genetic testing for known adult‑onset conditions and predictive genetic testing of minors for adult‑onset conditions are not recommended when the results will not affect pregnancy or childhood management. The policy references NSGC and AAP/ACMG guidance advising deferral of predictive testing of minors for adult‑onset disorders and recommending genetic counseling before considering prenatal testing for adult‑onset conditions.
This excerpt primarily provides a code list of tests that are subject to the policy’s preauthorization process and does not explicitly mark the enumerated tests as not covered. Individual codes listed in this section are informational for authorization and must be evaluated against the policy’s clinical criteria during review.
Within the portions of the document that list proprietary and algorithmic laboratory tests, there are no explicit per‑test exclusions stated in this excerpt. These entries function as identifiers for tests that require prior authorization; coverage determinations depend on whether the clinical criteria are met.
The CPT code catalog fragment included here enumerates gene‑level analyses and molecular pathology entries but does not itself state explicit exclusions. These codes are subject to the policy’s preauthorization requirement and clinical review according to the general coverage criteria elsewhere in the policy.
The sampled code catalog and descriptive entries in this excerpt do not list specific exclusions. They serve to identify tests that require review under Policy M.89; clinical justification and preauthorization are required to determine coverage on a case‑by‑case basis.
This segment lists additional CPT entries and gene‑specific analyses but does not itself designate tests or indications as not covered. Coverage is determined by applying the policy’s clinical criteria and by obtaining required prior authorization for listed molecular pathology and genomic tests.
Frequency and Re-testing Guidance
Definitions and Technical Terms
Background and Rationale
This policy provides general principles for evaluating genetic and other laboratory tests when specific coverage rules are not present: tests must have demonstrated clinical validity and clinical utility, be ordered for appropriate clinical indications (for example, diagnostic uncertainty, impact on management, prognosis, or reproductive decision‑making), and be performed in a CLIA‑approved laboratory. Pre‑test genetic counseling is recommended for prenatal and predictive testing and providers should document clinical features, family history, and the rationale supporting medical necessity when requesting prior authorization.
Policy Dates and Revision History
Policy M.89 became effective.
Clinical and policy content was reviewed (last review date recorded).
Scheduled next policy review date.
References and policy notices are provided for providers to support authorization requests. The document cites professional society statements (NSGC, AAP/ACMG), the CDC ACCE framework, and other resources; it also includes the BCBSN medical policy disclaimer clarifying that medical policies are used to determine scientific validity and do not constitute medical advice or an authorization for benefits.
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