ICD-9-CM procedure code (retired)
36.91 — Repair of aneurysm of coronary vessel
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 36.91
36.91 is an ICD-9-CM procedure code for repair of aneurysm of coronary vessel. 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 6 ICD-10-PCS codes, such as 02Q00ZZ (Repair Coronary Artery, One Artery, Open Approach), 02Q03ZZ (Repair Coronary Artery, One Artery, Percutaneous Approach) and 02Q04ZZ (Repair Coronary Artery, One Artery, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 02Q00ZZRepair Coronary Artery, One Artery, Open Approachapproximate
- 02Q03ZZRepair Coronary Artery, One Artery, Percutaneous Approachapproximate
- 02Q04ZZRepair Coronary Artery, One Artery, Percutaneous Endoscopic Approachapproximate
- 02Q40ZZRepair Coronary Vein, Open Approachapproximate
- 02Q43ZZRepair Coronary Vein, Percutaneous Approachapproximate
- 02Q44ZZRepair Coronary Vein, Percutaneous Endoscopic Approachapproximate
Common questions about 36.91
What is the ICD-10 code for ICD-9 36.91?
- The GEMs map 36.91 to ICD-10-PCS 02Q00ZZ, 02Q03ZZ, 02Q04ZZ, 02Q40ZZ, 02Q43ZZ and 02Q44ZZ.
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.