ICD-9-CM diagnosis code (retired)
296.21 — Major depressive affective disorder, single episode, mild
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 296.21
296.21 is an ICD-9-CM diagnosis code for major depressive affective disorder, single episode, mild. 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, F32.0 (Major depressive disorder, single episode, mild). The match is exact.
ICD-10-CM equivalents
- F32.0Major depressive disorder, single episode, mildexact match
Common questions about 296.21
What is the ICD-10 code for ICD-9 296.21?
- The GEMs map 296.21 to ICD-10-CM F32.0.
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.