ICD-10 CM Code S83.421
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S83 Dislocation and sprain of joints and ligaments of knee
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S83.4 Sprain of collateral ligament of knee
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S83.42 Sprain of lateral collateral ligament of knee
S83.421
Sprain of lateral collateral ligament of right 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
Inclusion Term
- Sprain of fibular collateral ligament
Excludes Type 1
- 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)
Excludes Type 2
- strain of muscle, fascia and tendon of lower leg (S86.-)
7th Character
- The appropriate 7th character is to be added to each code from category S83
- A - initial encounter
- D - subsequent encounter
- S - sequela
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