Other articular cartilage disorders, right ankle

This code signifies a non-traumatic, intrinsic disorder affecting the articular cartilage of the right ankle joint. It encompasses conditions like chondromalacia, cartilage degeneration, or other specified cartilage lesions not classified elsewhere, impacting the smooth gliding surfaces of the ankle bones.

Apply this code when documentation specifies a degenerative or non-traumatic cartilage condition within the right ankle joint. This includes findings from imaging (e.g., MRI showing cartilage thinning or defects) or arthroscopy confirming an articular cartilage disorder without an acute injury.

• Ensure documentation clearly specifies the right ankle; laterality is crucial.
• Distinguish from traumatic cartilage injuries, which would be coded differently (e.g., S93.x for sprains/strains with associated cartilage damage).
• Do not use for osteoarthritis (M19.x), which has its own specific codes, unless the cartilage disorder is explicitly stated as distinct from generalized osteoarthritis.