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Z83.42

Z83.42: Family history of familial hypercholesterolemia

Billable / specific codeICD-10-CMPOA exempt

Z83.42 is a billable, specific ICD-10-CM code for family history of familial hypercholesterolemia. It is valid for submission on a claim.

Check Z83.42 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above Z83.42

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.

Alphabetic index entries that lead here

  • History›family›familial hypercholesterolemia
  • History›family›disease or disorder›familial hypercholesterolemia

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z83.4

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.