ICD-9-CM procedure code (retired)
78.46 — Other repair or plastic operations on bone, patella
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 78.46
78.46 is an ICD-9-CM procedure code for other repair or plastic operations on bone, patella. 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 18 ICD-10-PCS codes, such as 0QND0ZZ (Release Right Patella, Open Approach), 0QND3ZZ (Release Right Patella, Percutaneous Approach) and 0QND4ZZ (Release Right Patella, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0QND0ZZRelease Right Patella, Open Approachapproximate
- 0QND3ZZRelease Right Patella, Percutaneous Approachapproximate
- 0QND4ZZRelease Right Patella, Percutaneous Endoscopic Approachapproximate
- 0QNF0ZZRelease Left Patella, Open Approachapproximate
- 0QNF3ZZRelease Left Patella, Percutaneous Approachapproximate
- 0QNF4ZZRelease Left Patella, Percutaneous Endoscopic Approachapproximate
- 0QQD0ZZRepair Right Patella, Open Approachapproximate
- 0QQD4ZZRepair Right Patella, Percutaneous Endoscopic Approachapproximate
- 0QQDXZZRepair Right Patella, External Approachapproximate
- 0QQF0ZZRepair Left Patella, Open Approachapproximate
- 0QQF4ZZRepair Left Patella, Percutaneous Endoscopic Approachapproximate
- 0QQFXZZRepair Left Patella, External Approachapproximate
- 0QUD0JZSupplement Right Patella with Synthetic Substitute, Open Approachapproximate
- 0QUD3JZSupplement Right Patella with Synthetic Substitute, Percutaneous Approachapproximate
- 0QUD4JZSupplement Right Patella with Synthetic Substitute, Percutaneous Endoscopic Approachapproximate
- 0QUF0JZSupplement Left Patella with Synthetic Substitute, Open Approachapproximate
- 0QUF3JZSupplement Left Patella with Synthetic Substitute, Percutaneous Approachapproximate
- 0QUF4JZSupplement Left Patella with Synthetic Substitute, Percutaneous Endoscopic Approachapproximate
Common questions about 78.46
What is the ICD-10 code for ICD-9 78.46?
- The GEMs map 78.46 to ICD-10-PCS 0QND0ZZ, 0QND3ZZ, 0QND4ZZ, 0QNF0ZZ, 0QNF3ZZ, 0QNF4ZZ and 12 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.