Orthopedic Coding Alert

Reader Question:

Chondroplasty

Question: What compartments are referred to in arthroscopic chondroplasty of the knee (29877)?

New Mexico Subscriber

Answer: Code 29877 (arthroscopy, knee, surgical; debridement/shaving of articular cartilage [chondroplasty]) is not a separate compartment code and should not be reported multiple times when arthroscopic debridement or chondroplasty is performed in more than one compartment of the knee. If your physician feels that the work he or she performed was above and beyond what would normally be associated with an arthroscopic debridement or chondroplasty of the knee, append modifier -22 (unusual procedural services) to 29877.
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