Dislocation and sprain of joints and ligaments of knee

**Includes:** - avulsion of joint or ligament of knee - laceration of cartilage, joint or ligament of knee - sprain of cartilage, joint or ligament of knee - traumatic hemarthrosis of joint or ligament of knee - traumatic rupture of joint or ligament of knee - traumatic subluxation of joint or ligament of knee - traumatic tear of joint or ligament of knee

**Excludes2:** - derangement of patella (M22.0-M22.3) - injury of patellar ligament (tendon) (S76.1-) - internal derangement of knee (M23.-) - old dislocation of knee (M24.36) - pathological dislocation of knee (M24.36) - recurrent dislocation of knee (M22.0) - strain of muscle, fascia and tendon of lower leg (S86.-)

**Code also:** - any associated open wound

**7th character note:** - The appropriate 7th character is to be added to each code from category S83

**7th character:** - A: initial encounter - D: subsequent encounter - S: sequela