ICD-9-CM diagnosis code (retired)
V28.1 — Antenatal screening for raised alpha-fetoprotein levels in amniotic fluid
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 V28.1
V28.1 is an ICD-9-CM diagnosis code for antenatal screening for raised alpha-fetoprotein levels in amniotic fluid. 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, Z36.1 (Encounter for antenatal screening for raised alphafetoprotein level). The match is exact.
ICD-10-CM equivalents
- Z36.1Encounter for antenatal screening for raised alphafetoprotein levelexact match
Common questions about V28.1
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.