All ICD10 Codes

S29

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Other and unspecified injuries of thorax

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.-)

S20-S29 Parent Instructions

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)

Instructional Notes

Code Also
  • any associated open wound (S21.-)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S20-S29Injuries to the thorax (S20-S29)
S29Other and unspecified injuries of thorax
S29.0Injury of muscle and tendon at thorax level
S29.8Other specified injuries of thorax
S29.9Unspecified injury of thorax

Applicable Ancestor Context

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

blockS20-S29
Injuries to the thorax (S20-S29)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to S29. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

20 raw paths
Injury20 unique routes
breast NOS→S29
costal region NEC→S29
costochondral NEC→S29
midthoracic region NOS→S29
muscle (and fascia) (and tendon)(12 variants)
thorax (level)→S29(12 variants)
back wall→S29
front wall→S29
laceration→S29(3 variants)
back wall→S29
front wall→S29
specified type NEC→S29(3 variants)
back wall→S29
front wall→S29
strain→S29(3 variants)
back wall→S29
front wall→S29
sternal region→S29
thorax, thoracic→S29(3 variants)
external (wall)→S29(2 variants)
specified NEC→S29

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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