ICD-9-CM diagnosis code (retired)
V18.8 — Family history of infectious and parasitic diseases
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM V18.8
V18.8 is an ICD-9-CM diagnosis code for family history of infectious and parasitic diseases. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, Z83.1 (Family history of other infectious and parasitic diseases). The match is exact.
ICD-10-CM equivalents
- Z83.1Family history of other infectious and parasitic diseasesexact match
Common questions about V18.8
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.