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ICDMine.com › Browse ICD-10-CM Codes › Ch. 19: Injury, poisoning and certain other consequences of external causes (S00-T88) › Injuries to the thorax (S20-S29) › S21

S21Open wound of thorax

ICD-10-CM category (non-billable header) code — part of Injuries to the thorax (S20-S29)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88)
Section	Injuries to the thorax (S20-S29)

Valid 7th Characters

A	initial encounter
D	subsequent encounter
S	sequela

Coding Notes

Excludes1 (never code both together)

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

Code Also

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

7th Character Note

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

Subcategories (6)

S21.0 Open wound of breast
S21.1 Open wound of front wall of thorax w/o penet thoracic cavity
S21.2 Open wound of back wall of thorax w/o penet thoracic cavity
S21.3 Open wound of front wall of thorax w penet thoracic cavity
S21.4 Open wound of back wall of thorax w penet thoracic cavity
S21.9 Open wound of unspecified part of thorax

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