ICD-9-CM diagnosis code (retired)
427.32 — Atrial flutter
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 427.32
427.32 is an ICD-9-CM diagnosis code for atrial flutter. 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, I48.92 (Unspecified atrial flutter). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- I48.92Unspecified atrial flutterapproximate
Common questions about 427.32
What is the ICD-10 code for ICD-9 427.32?
- The GEMs map 427.32 to ICD-10-CM I48.92.
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.