M23.221

Derang of post horn of medial mensc d/t old tear/inj, r knee Derangement of posterior horn of medial meniscus due to old tear or injury, right knee

Derang of post horn of medial mensc d/t old tear/inj, r knee Derangement of posterior horn of medial meniscus due to old tear or injury, right knee: Diseases of the musculoskeletal system and connective tissue (ICD-10-CM M00 to M99), a billable code.