ICD-10 Code: M23.221 – Derangement of posterior horn of medial meniscus due to old tear or injury, right knee

ICD-10 code M23.221 corresponds to Derangement of posterior horn of medial meniscus due to old tear or injury, right knee. This code is classified under the chapter M23 Internal derangement of knee, which is part of the M00-M25: Arthropathies category.

The parent chapter is Diseases of the musculoskeletal system and connective tissue.