MCMedicalCodingSoftware
QA1.791

QA1.791: Familial cancer syndrome with pathogenic BRCA2 mutation

Billable / specific codeICD-10-CM

QA1.791 is a billable, specific ICD-10-CM code for familial cancer syndrome with pathogenic brca2 mutation. It is valid for submission on a claim.

Check QA1.791 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • BRCA2-cancer predisposition syndrome
  • Hereditary breast and ovarian cancer syndrome with pathogenic BRCA2 mutation

Excludes2 inherited from the categories above QA1.791

Not part of this code, but both may be coded when both are present.

Written on QA1: Genetic disorders associated with neoplasms, not elsewhere classified

  • multiple endocrine neoplasia [MEN] syndromes (E31.2-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

QA1.791 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56542Billing and Coding: BRCA1 and BRCA2 Genetic Testing
  • A57449Billing and Coding: BRCA1 and BRCA2 Genetic Testing

Alphabetic index entries that lead here

  • Syndrome›BRCA2-cancer predisposition
  • Syndrome›familial cancer›with›pathogenic BRCA2 mutation
  • Syndrome›hereditary breast and ovarian cancer›with›pathogenic BRCA2 mutation

Code history

  • addedFY2024-FY2027

    Familial cancer syndrome with pathogenic BRCA2 mutation

Other codes under QA1.79

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.