ICD-9-CM diagnosis code (retired)
V71.9 — Observation for unspecified suspected condition
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 V71.9
V71.9 is an ICD-9-CM diagnosis code for observation for unspecified suspected condition. 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, Z04.9 (Encounter for examination and observation for unspecified reason). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- Z04.9Encounter for examination and observation for unspecified reasonapproximate
Common questions about V71.9
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.