A laboratory performed targeted next-generation sequencing (NGS) on a buccal swab to assess a patient for hereditary breast and colon cancer screening. The test analyzed coding regions for each of the following targeted genes: APC, ATM, BRCA1, BRCA2, BRIP1, BMPR1A, CDH1, CHEK2, CDK4, CDKN2A, EPCAM, FH, FLCN, MAX, MLH1, MSH2, MSH6, MUTYH, NBN, NF1, PALB2, PMS2, PTEN, RAD51C, RAD51D, RET, SDHAF2, SDHB, SDHC, SMAD4, STK11, TMEM127, TP53, TSC1, TSC2, VHL. Should this panel be reported with code 81450 or should the test be reported using individual codes 81432 and 81435 ? If not, then which code(s) should be reported? ...
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Article Overview
This article reviews how to think about coding a targeted next-generation sequencing (NGS) assay performed on a buccal swab in the context of hereditary breast and colon cancer assessment. It is aimed at medical coders and billing professionals who need to distinguish among hereditary cancer panel codes and an unlisted molecular pathology procedure when evaluating a multi-gene germline test. The discussion focuses on the broad scope of the test, the hereditary cancer context, and why certain panel categories are or are not a fit for the service described.
Why This Topic Matters
Correctly identifying the appropriate molecular pathology code affects claims accuracy and helps avoid misclassification of germline hereditary cancer testing as a different panel category.
Article Sections
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Clinical scenario and coding question
Introduces the specimen type, testing method, and hereditary cancer screening context. Poses the central coding question about which molecular pathology code category is most appropriate.
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Coding comparison and rationale
Compares the service described with several hereditary cancer panel and targeted sequencing code categories. Explains the general reasons the article evaluates an unlisted molecular pathology code instead of other panel options.
What You Will Learn
- How the article frames a hereditary cancer NGS testing scenario for coding review
- How to distinguish broad hereditary cancer panel categories from an unlisted molecular pathology procedure
- Which general factors make a germline multi-gene test different from somatic tumor-focused panel categories
- How the article approaches code selection for a buccal swab-based molecular assay
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Revenue cycle teams
- Molecular pathology billing specialists
Codes Discussed
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