ICD-9-CM diagnosis code (retired)
V21.0 — Period of rapid growth in childhood
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 V21.0
V21.0 is an ICD-9-CM diagnosis code for period of rapid growth in childhood. 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, Z00.2 (Encounter for examination for period of rapid growth in childhood). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- Z00.2Encounter for examination for period of rapid growth in childhoodapproximate
Common questions about V21.0
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.