ICD-10-CM Diagnosis Code S21.30

Open wound of chest with penetration into thoracic cavity

The appropriate 7th character is to be added to each code from category S21

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

any associated injury, such as:

injury of heart (S26.-)

injury of intrathoracic organs (S27.-)

rib fracture (S22.3-, S22.4-)

spinal cord injury (S24.0-, S24.1-)

traumatic hemopneumothorax (S27.3)

traumatic hemothorax (S27.1)

traumatic pneumothorax (S27.0)

wound infection

birth trauma (P10-P15)

obstetric trauma (O70-O71)

traumatic amputation (partial) of thorax (S28.1)

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.