ICD-9-CM procedure code (retired)
35.02 — Closed heart valvotomy, mitral valve
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 35.02
35.02 is an ICD-9-CM procedure code for closed heart valvotomy, mitral valve. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to 2 ICD-10-PCS codes, such as 02NG3ZZ (Release Mitral Valve, Percutaneous Approach) and 02NG4ZZ (Release Mitral Valve, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 35.02
What is the ICD-10 code for ICD-9 35.02?
- The GEMs map 35.02 to ICD-10-PCS 02NG3ZZ and 02NG4ZZ.
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.