M22.42✓ Billable
Chondromalacia patellae, left knee
Code Hierarchy
┌13Diseases of the musculoskeletal system and connective tissue (M00-M99)├M20-M25Other joint disorders (M20-M25)
└M22.42Chondromalacia patellae, left knee
Not sure between two codes?
⇄ Compare M22.42 with another code →