ICD-9-CM procedure code (retired)
79.91 — Unspecified operation on bone injury, humerus
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 79.91
79.91 is an ICD-9-CM procedure code for unspecified operation on bone injury, humerus. 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 16 ICD-10-PCS codes, such as 0PQC0ZZ (Repair Right Humeral Head, Open Approach), 0PQC3ZZ (Repair Right Humeral Head, Percutaneous Approach) and 0PQC4ZZ (Repair Right Humeral Head, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0PQC0ZZRepair Right Humeral Head, Open Approachapproximate
- 0PQC3ZZRepair Right Humeral Head, Percutaneous Approachapproximate
- 0PQC4ZZRepair Right Humeral Head, Percutaneous Endoscopic Approachapproximate
- 0PQCXZZRepair Right Humeral Head, External Approachapproximate
- 0PQD0ZZRepair Left Humeral Head, Open Approachapproximate
- 0PQD3ZZRepair Left Humeral Head, Percutaneous Approachapproximate
- 0PQD4ZZRepair Left Humeral Head, Percutaneous Endoscopic Approachapproximate
- 0PQDXZZRepair Left Humeral Head, External Approachapproximate
- 0PQF0ZZRepair Right Humeral Shaft, Open Approachapproximate
- 0PQF3ZZRepair Right Humeral Shaft, Percutaneous Approachapproximate
- 0PQF4ZZRepair Right Humeral Shaft, Percutaneous Endoscopic Approachapproximate
- 0PQFXZZRepair Right Humeral Shaft, External Approachapproximate
- 0PQG0ZZRepair Left Humeral Shaft, Open Approachapproximate
- 0PQG3ZZRepair Left Humeral Shaft, Percutaneous Approachapproximate
- 0PQG4ZZRepair Left Humeral Shaft, Percutaneous Endoscopic Approachapproximate
- 0PQGXZZRepair Left Humeral Shaft, External Approachapproximate
Common questions about 79.91
What is the ICD-10 code for ICD-9 79.91?
- The GEMs map 79.91 to ICD-10-PCS 0PQC0ZZ, 0PQC3ZZ, 0PQC4ZZ, 0PQCXZZ, 0PQD0ZZ, 0PQD3ZZ and 10 more.
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.