Internal derangement of knee

**Excludes1:** - ankylosis (M24.66) - deformity of knee (M21.-) - osteochondritis dissecans (M93.2)

**Excludes2:** - current injury - see injury of knee and lower leg (S80-S89) - recurrent dislocation or subluxation of joints (M24.4) - recurrent dislocation or subluxation of patella (M22.0-M22.1)