ICD-10-CM
ICD-10 code for Injury midthoracic region NOS: S29.9
The ICD-10-CM index points "Injury midthoracic region NOS" to S29.9, Unspecified injury of thorax. S29.9 is not billable on its own. Add the 7th character for the encounter, for example S29.9XXA, Unspecified injury of thorax, initial encounter.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in S29
A header groups codes and is not billed. A billable code is one you can report.
- S29Other and unspecified injuries of thoraxHeader
- S29.0Injury of muscle and tendon at thorax levelHeader
- S29.00Unspecified injury of muscle and tendon of thoraxHeader
- S29.01Strain of muscle and tendon of thoraxHeader
- S29.02Laceration of muscle and tendon of thoraxHeader
- S29.09Other injury of muscle and tendon of thoraxHeader
- S29.8Other specified injuries of thoraxHeader
- S29.9Unspecified injury of thoraxHeader
Code also
The CDC tabular list says a second code may be needed with this one. The note does not set which is listed first.
From S29. A note on a category applies to every code under it.
Code also any associated open wound (S21.-)
Related pages
- S29.9 code detailsNotes, nearby codes, CMS-HCC group
- Category S29Every code under it
- Chapter 19Injury, poisoning and certain other consequences
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Injury midthoracic region NOS?
The ICD-10-CM index points "Injury midthoracic region NOS" to S29.9, Unspecified injury of thorax. S29.9 is not billable on its own. Add the 7th character for the encounter, for example S29.9XXA, Unspecified injury of thorax, initial encounter.
Is S29.9 billable?
No. S29.9 is a header in the FY2027 CDC file. Report a more specific code under it.
What chapter is S29.9 in?
Chapter 19. Injury, poisoning and certain other consequences.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.