M23.25 - Derangement of posterior horn of lateral meniscus due to old tear or injury M23.2 - Derangement of meniscus due to old tear or injury M23.25 - Derangement of posterior horn of lateral meniscus due to old tear or injury
M23.251 - Derangement of posterior horn of lateral meniscus due to old tear or injury, right knee M23.252 - Derangement of posterior horn of lateral meniscus due to old tear or injury, left knee M23.259 - Derangement of posterior horn of lateral meniscus due to old tear or injury, unspecified knee