ICD-9-CM diagnosis code (retired)
296.64 — Bipolar I disorder, most recent episode (or current) mixed, severe, specified as with psychotic behavior
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 296.64
296.64 is an ICD-9-CM diagnosis code for bipolar I disorder, most recent episode (or current) mixed, severe, specified as with psychotic behavior. 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, F31.64 (Bipolar disorder, current episode mixed, severe, with psychotic features). The match is exact.
ICD-10-CM equivalents
- F31.64Bipolar disorder, current episode mixed, severe, with psychotic featuresexact match
Common questions about 296.64
What is the ICD-10 code for ICD-9 296.64?
- The GEMs map 296.64 to ICD-10-CM F31.64.
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.