MCMedicalCodingSoftware
Z83.2

Z83.2: Family history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Billable / specific codeICD-10-CMPOA exempt

Z83.2 is a billable, specific ICD-10-CM code for family history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism. It is valid for submission on a claim.

Check Z83.2 with the rest of the claim: free scrubber

Inclusion terms

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

  • Conditions classifiable to D50-D89

Excludes2 inherited from the categories above Z83.2

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

Written on Z83: Family history of other specific disorders

  • contact with and (suspected) exposure to communicable disease in the family (Z20.-)

Risk adjustment

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

Medicare coverage

Z83.2 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A60256Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia
  • A60272Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia
  • A60294Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia
  • A60308Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia

Alphabetic index entries that lead here

  • History›family›anemia
  • History›family›disease or disorder›blood and blood-forming organs
  • History›family›disease or disorder›hematological
  • History›family›disease or disorder›immune mechanism

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z83

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.