S20-S29

Non-Billable
ChapterS00–T88
Rankblock
Official Description

Injuries to the thorax (S20-S29)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

Instructional Notes

Includes
  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area
Excludes2(Not included here)
  • burns and corrosions (T20-T32)
  • effects of foreign body in bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S20-S29Injuries to the thorax (S20-S29)
S20Superficial injury of thorax
S21Open wound of thorax
S22Fracture of rib(s), sternum and thoracic spine
S23Dislocation and sprain of joints and ligaments of thorax
S24Injury of nerves and spinal cord at thorax level
S25Injury of blood vessels of thorax
S26Injury of heart
S27Injury of other and unspecified intrathoracic organs
S28Crushing injury of thorax, and traumatic amputation of part of thorax
S29Other and unspecified injuries of thorax

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S20-S29:

chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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