Skip to content
HCC Buddy home

S21

Non-Billable (Header)

Open wound of thorax

Excludes 1 — Do NOT code 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

Child Codes

S21.0Open wound of breast
S21.1Open wound of front wall of thorax without penetration into thoracic cavity
S21.2Open wound of back wall of thorax without penetration into thoracic cavity
S21.3Open wound of front wall of thorax with penetration into thoracic cavity
S21.4Open wound of back wall of thorax with penetration into thoracic cavity
S21.9Open wound of unspecified part of thorax

Open S21 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial