ICD-10-CM Diagnosis Code S23.421

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

The appropriate 7th character is to be added to each code from category S23

code to identify any retained foreign body, if applicable (Z18.-)

any associated open wound

birth trauma (P10-P15)

obstetric trauma (O70-O71)

dislocation, sprain of sternoclavicular joint (S43.2, S43.6)

strain of muscle or tendon of thorax (S29.01-)

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code

The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.