M23.22 Derangement of posterior horn of medial meniscus due to old tear or injury

Codes

• M23.221Derangement of posterior horn of medial meniscus due to old tear or injury, right knee
• M23.222Derangement of posterior horn of medial meniscus due to old tear or injury, left knee
• M23.229Derangement of posterior horn of medial meniscus due to old tear or injury, unspecified knee