ICD-10: M23
Internal derangement of knee
Coding Guidelines
Excludes 1
- ankylosis (M24.66)
- osteochondritis dissecans (M93.2)
- deformity of knee (M21.-)
Excludes 2
- recurrent dislocation or subluxation of joints (M24.4)
- recurrent dislocation or subluxation of patella (M22.0-M22.1)
- current injury - see injury of knee and lower leg (S80-S89)
Subcategories
M23.3
Other meniscus derangements
M23.0
Cystic meniscus
M23.6
Other spontaneous disruption of ligament(s) of knee
M23.2
Derangement of meniscus due to old tear or injury
M23.4
Loose body in knee
M23.5
Chronic instability of knee
M23.8
Other internal derangements of knee
M23.9
Unspecified internal derangement of knee
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