ICD-9-CM procedure code (retired)
79.86 — Open reduction of dislocation of knee
About ICD-9-CM 79.86
79.86 is an ICD-9-CM procedure code for open reduction of dislocation of knee. 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 0SSC04Z (Reposition Right Knee Joint with Internal Fixation Device, Open Approach), 0SSC05Z (Reposition Right Knee Joint with External Fixation Device, Open Approach) and 0SSC0ZZ (Reposition Right Knee Joint, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0SSC04ZReposition Right Knee Joint with Internal Fixation Device, Open Approachapproximate
- 0SSC05ZReposition Right Knee Joint with External Fixation Device, Open Approachapproximate
- 0SSC0ZZReposition Right Knee Joint, Open Approachapproximate
- 0SSD04ZReposition Left Knee Joint with Internal Fixation Device, Open Approachapproximate
- 0SSD05ZReposition Left Knee Joint with External Fixation Device, Open Approachapproximate
- 0SSD0ZZReposition Left Knee Joint, Open Approachapproximate
Common questions about 79.86
What is the ICD-10 code for ICD-9 79.86?
- The GEMs map 79.86 to ICD-10-PCS 0SSC04Z, 0SSC05Z, 0SSC0ZZ, 0SSD04Z, 0SSD05Z and 0SSD0ZZ.
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.