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M23 - Internal derangement of knee


The ICD 10 Code for Internal derangement of knee is listed as M23.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: M23
Description: Internal derangement of knee
  • Excludes1: ankylosis (M24.66)
  • current injury -see injury of knee and lower leg (S80-S89)
  • deformity of knee (M21.-)
  • osteochondritis dissecans (M93.2)
  • recurrent dislocation or subluxation of joints (M24.4)
  • recurrent dislocation or subluxation of patella (M22.0-M22.1)
Chapter Diseases of the musculoskeletal system and connective tissue (M00-M99)
ICD-10-CM Children (deeper level / typically more specific) of M23:
M23.0 - Cystic meniscus
M23.2 - Derangement of meniscus due to old tear or injury
M23.3 - Other meniscus derangements
M23.4 - Loose body in knee
M23.5 - Chronic instability of knee
M23.6 - Other spontaneous disruption of ligament(s) of knee
M23.8 - Other internal derangements of knee
M23.9 - Unspecified internal derangement of knee