ICD-9-CM procedure code (retired)
79.31 — Open reduction of fracture with internal fixation, humerus
About ICD-9-CM 79.31
79.31 is an ICD-9-CM procedure code for open reduction of fracture with internal fixation, 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 4 ICD-10-PCS codes, such as 0PSC04Z (Reposition Right Humeral Head with Internal Fixation Device, Open Approach), 0PSD04Z (Reposition Left Humeral Head with Internal Fixation Device, Open Approach) and 0PSF04Z (Reposition Right Humeral Shaft with Internal Fixation Device, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0PSC04ZReposition Right Humeral Head with Internal Fixation Device, Open Approachapproximate
- 0PSD04ZReposition Left Humeral Head with Internal Fixation Device, Open Approachapproximate
- 0PSF04ZReposition Right Humeral Shaft with Internal Fixation Device, Open Approachapproximate
- 0PSG04ZReposition Left Humeral Shaft with Internal Fixation Device, Open Approachapproximate
Common questions about 79.31
What is the ICD-10 code for ICD-9 79.31?
- The GEMs map 79.31 to ICD-10-PCS 0PSC04Z, 0PSD04Z, 0PSF04Z and 0PSG04Z.
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.