ICD-9-CM procedure code (retired)
81.21 — Arthrodesis of hip
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 81.21
81.21 is an ICD-9-CM procedure code for arthrodesis of hip. 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 36 ICD-10-PCS codes, such as 0SG904Z (Fusion of Right Hip Joint with Internal Fixation Device, Open Approach), 0SG905Z (Fusion of Right Hip Joint with External Fixation Device, Open Approach) and 0SG907Z (Fusion of Right Hip Joint with Autologous Tissue Substitute, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0SG904ZFusion of Right Hip Joint with Internal Fixation Device, Open Approachapproximate
- 0SG905ZFusion of Right Hip Joint with External Fixation Device, Open Approachapproximate
- 0SG907ZFusion of Right Hip Joint with Autologous Tissue Substitute, Open Approachapproximate
- 0SG90JZFusion of Right Hip Joint with Synthetic Substitute, Open Approachapproximate
- 0SG90KZFusion of Right Hip Joint with Nonautologous Tissue Substitute, Open Approachapproximate
- 0SG90ZZFusion of Right Hip Joint, Open Approachapproximate
- 0SG934ZFusion of Right Hip Joint with Internal Fixation Device, Percutaneous Approachapproximate
- 0SG935ZFusion of Right Hip Joint with External Fixation Device, Percutaneous Approachapproximate
- 0SG937ZFusion of Right Hip Joint with Autologous Tissue Substitute, Percutaneous Approachapproximate
- 0SG93JZFusion of Right Hip Joint with Synthetic Substitute, Percutaneous Approachapproximate
- 0SG93KZFusion of Right Hip Joint with Nonautologous Tissue Substitute, Percutaneous Approachapproximate
- 0SG93ZZFusion of Right Hip Joint, Percutaneous Approachapproximate
- 0SG944ZFusion of Right Hip Joint with Internal Fixation Device, Percutaneous Endoscopic Approachapproximate
- 0SG945ZFusion of Right Hip Joint with External Fixation Device, Percutaneous Endoscopic Approachapproximate
- 0SG947ZFusion of Right Hip Joint with Autologous Tissue Substitute, Percutaneous Endoscopic Approachapproximate
- 0SG94JZFusion of Right Hip Joint with Synthetic Substitute, Percutaneous Endoscopic Approachapproximate
- 0SG94KZFusion of Right Hip Joint with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approachapproximate
- 0SG94ZZFusion of Right Hip Joint, Percutaneous Endoscopic Approachapproximate
- 0SGB04ZFusion of Left Hip Joint with Internal Fixation Device, Open Approachapproximate
- 0SGB05ZFusion of Left Hip Joint with External Fixation Device, Open Approachapproximate
- 0SGB07ZFusion of Left Hip Joint with Autologous Tissue Substitute, Open Approachapproximate
- 0SGB0JZFusion of Left Hip Joint with Synthetic Substitute, Open Approachapproximate
- 0SGB0KZFusion of Left Hip Joint with Nonautologous Tissue Substitute, Open Approachapproximate
- 0SGB0ZZFusion of Left Hip Joint, Open Approachapproximate
- 0SGB34ZFusion of Left Hip Joint with Internal Fixation Device, Percutaneous Approachapproximate
- 0SGB35ZFusion of Left Hip Joint with External Fixation Device, Percutaneous Approachapproximate
- 0SGB37ZFusion of Left Hip Joint with Autologous Tissue Substitute, Percutaneous Approachapproximate
- 0SGB3JZFusion of Left Hip Joint with Synthetic Substitute, Percutaneous Approachapproximate
- 0SGB3KZFusion of Left Hip Joint with Nonautologous Tissue Substitute, Percutaneous Approachapproximate
- 0SGB3ZZFusion of Left Hip Joint, Percutaneous Approachapproximate
- 0SGB44ZFusion of Left Hip Joint with Internal Fixation Device, Percutaneous Endoscopic Approachapproximate
- 0SGB45ZFusion of Left Hip Joint with External Fixation Device, Percutaneous Endoscopic Approachapproximate
- 0SGB47ZFusion of Left Hip Joint with Autologous Tissue Substitute, Percutaneous Endoscopic Approachapproximate
- 0SGB4JZFusion of Left Hip Joint with Synthetic Substitute, Percutaneous Endoscopic Approachapproximate
- 0SGB4KZFusion of Left Hip Joint with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approachapproximate
- 0SGB4ZZFusion of Left Hip Joint, Percutaneous Endoscopic Approachapproximate
Common questions about 81.21
What is the ICD-10 code for ICD-9 81.21?
- The GEMs map 81.21 to ICD-10-PCS 0SG904Z, 0SG905Z, 0SG907Z, 0SG90JZ, 0SG90KZ, 0SG90ZZ and 30 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.