ICD-9-CM diagnosis code (retired)
391.8 — Other acute rheumatic heart disease
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 391.8
391.8 is an ICD-9-CM diagnosis code for other acute rheumatic heart disease. 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, I01.8 (Other acute rheumatic heart disease). The match is exact.
ICD-10-CM equivalents
- I01.8Other acute rheumatic heart diseaseexact match
Common questions about 391.8
What is the ICD-10 code for ICD-9 391.8?
- The GEMs map 391.8 to ICD-10-CM I01.8.
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.