ICD-9-CM procedure code (retired)
81.55 — Revision of knee replacement, not otherwise specified
About ICD-9-CM 81.55
81.55 is an ICD-9-CM procedure code for revision of knee replacement, not otherwise specified. 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 24 ICD-10-PCS codes, such as 0SWC0JC (Revision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Open Approach), 0SWC0JZ (Revision of Synthetic Substitute in Right Knee Joint, Open Approach) and 0SWC3JC (Revision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0SWC0JCRevision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Open Approachapproximate
- 0SWC0JZRevision of Synthetic Substitute in Right Knee Joint, Open Approachapproximate
- 0SWC3JCRevision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Percutaneous Approachapproximate
- 0SWC3JZRevision of Synthetic Substitute in Right Knee Joint, Percutaneous Approachapproximate
- 0SWC4JCRevision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Percutaneous Endoscopic Approachapproximate
- 0SWC4JZRevision of Synthetic Substitute in Right Knee Joint, Percutaneous Endoscopic Approachapproximate
- 0SWD0JCRevision of Synthetic Substitute in Left Knee Joint, Patellar Surface, Open Approachapproximate
- 0SWD0JZRevision of Synthetic Substitute in Left Knee Joint, Open Approachapproximate
- 0SWD3JCRevision of Synthetic Substitute in Left Knee Joint, Patellar Surface, Percutaneous Approachapproximate
- 0SWD3JZRevision of Synthetic Substitute in Left Knee Joint, Percutaneous Approachapproximate
- 0SWD4JCRevision of Synthetic Substitute in Left Knee Joint, Patellar Surface, Percutaneous Endoscopic Approachapproximate
- 0SWD4JZRevision of Synthetic Substitute in Left Knee Joint, Percutaneous Endoscopic Approachapproximate
- 0SWT0JZRevision of Synthetic Substitute in Right Knee Joint, Femoral Surface, Open Approachapproximate
- 0SWT3JZRevision of Synthetic Substitute in Right Knee Joint, Femoral Surface, Percutaneous Approachapproximate
- 0SWT4JZRevision of Synthetic Substitute in Right Knee Joint, Femoral Surface, Percutaneous Endoscopic Approachapproximate
- 0SWU0JZRevision of Synthetic Substitute in Left Knee Joint, Femoral Surface, Open Approachapproximate
- 0SWU3JZRevision of Synthetic Substitute in Left Knee Joint, Femoral Surface, Percutaneous Approachapproximate
- 0SWU4JZRevision of Synthetic Substitute in Left Knee Joint, Femoral Surface, Percutaneous Endoscopic Approachapproximate
- 0SWV0JZRevision of Synthetic Substitute in Right Knee Joint, Tibial Surface, Open Approachapproximate
- 0SWV3JZRevision of Synthetic Substitute in Right Knee Joint, Tibial Surface, Percutaneous Approachapproximate
- 0SWV4JZRevision of Synthetic Substitute in Right Knee Joint, Tibial Surface, Percutaneous Endoscopic Approachapproximate
- 0SWW0JZRevision of Synthetic Substitute in Left Knee Joint, Tibial Surface, Open Approachapproximate
- 0SWW3JZRevision of Synthetic Substitute in Left Knee Joint, Tibial Surface, Percutaneous Approachapproximate
- 0SWW4JZRevision of Synthetic Substitute in Left Knee Joint, Tibial Surface, Percutaneous Endoscopic Approachapproximate
Common questions about 81.55
What is the ICD-10 code for ICD-9 81.55?
- The GEMs map 81.55 to ICD-10-PCS 0SWC0JC, 0SWC0JZ, 0SWC3JC, 0SWC3JZ, 0SWC4JC, 0SWC4JZ and 18 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.