ICD-10 CM Code S23.421
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S23 Dislocation and sprain of joints and ligaments of thorax
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S23.4 Sprain of ribs and sternum
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S23.42 Sprain of sternum
S23.421
Sprain of chondrosternal joint
Includes
- avulsion of joint or ligament of thorax
- laceration of cartilage, joint or ligament of thorax
- sprain of cartilage, joint or ligament of thorax
- traumatic hemarthrosis of joint or ligament of thorax
- traumatic rupture of joint or ligament of thorax
- traumatic subluxation of joint or ligament of thorax
- traumatic tear of joint or ligament of thorax
Excludes Type 2
- dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
- strain of muscle or tendon of thorax (S29.01-)
7th Character
- The appropriate 7th character is to be added to each code from category S23
- A - initial encounter
- D - subsequent encounter
- S - sequela
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