ICD-9-CM diagnosis code (retired)
429.6 — Rupture of papillary muscle
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 429.6
429.6 is an ICD-9-CM diagnosis code for rupture of papillary muscle. 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, I51.2 (Rupture of papillary muscle, not elsewhere classified). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- I51.2Rupture of papillary muscle, not elsewhere classifiedapproximate
Common questions about 429.6
What is the ICD-10 code for ICD-9 429.6?
- The GEMs map 429.6 to ICD-10-CM I51.2.
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.