ICD-9-CM diagnosis code (retired)
296.40 — Bipolar I disorder, most recent episode (or current) manic, unspecified
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 296.40
296.40 is an ICD-9-CM diagnosis code for bipolar I disorder, most recent episode (or current) manic, unspecified. 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, F31.10 (Bipolar disorder, current episode manic without psychotic features, unspecified). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- F31.10Bipolar disorder, current episode manic without psychotic features, unspecifiedapproximate
Common questions about 296.40
What is the ICD-10 code for ICD-9 296.40?
- The GEMs map 296.40 to ICD-10-CM F31.10.
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.