ICD-10-CM
ICD-10 code for Compartment syndrome (deep) (posterior) (traumatic): T79.A0
The ICD-10-CM index points "Compartment syndrome (deep) (posterior) (traumatic)" to T79.A0, Compartment syndrome, unspecified. T79.A0 is not billable on its own. Add the 7th character for the encounter, for example T79.A0XA, Compartment syndrome, unspecified, initial encounter.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- T79.A3abdomen, Traumatic compartment syndrome of abdomenHeader
- T79.A2lower extremity (hip, buttock, thigh, leg, foot, toes), Traumatic compartment syndrome of lower extremityHeader
- T79.A9specified site NEC, Traumatic compartment syndrome of other sitesHeader
- T79.A1upper extremity (shoulder, arm, forearm, wrist, hand, fingers), Traumatic compartment syndrome of upper extremityHeader
More specific codes in T79
A header groups codes and is not billed. A billable code is one you can report.
- T79Certain early complications of trauma, not elsewhere classifiedHeader
- T79.0Air embolism (traumatic)Header
- T79.1Fat embolism (traumatic)Header
- T79.2Traumatic secondary and recurrent hemorrhage and seromaHeader
- T79.4Traumatic shockHeader
- T79.5Traumatic anuriaHeader
- T79.6Traumatic ischemia of muscleHeader
- T79.7Traumatic subcutaneous emphysemaHeader
- T79.8Other early complications of traumaHeader
- T79.9Unspecified early complication of traumaHeader
- T79.ATraumatic compartment syndromeHeader
- T79.A0Compartment syndrome, unspecifiedHeader
- T79.A1Traumatic compartment syndrome of upper extremityHeader
- T79.A2Traumatic compartment syndrome of lower extremityHeader
- T79.A3Traumatic compartment syndrome of abdomenHeader
- T79.A9Traumatic compartment syndrome of other sitesHeader
Excludes1
Excludes1 means these codes are not reported together.
From T79.A. A note on a category applies to every code under it.
Excludes2
Related pages
- T79.A0 code detailsNotes, nearby codes, CMS-HCC group
- Category T79Every 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 Compartment syndrome (deep) (posterior) (traumatic)?
The ICD-10-CM index points "Compartment syndrome (deep) (posterior) (traumatic)" to T79.A0, Compartment syndrome, unspecified. T79.A0 is not billable on its own. Add the 7th character for the encounter, for example T79.A0XA, Compartment syndrome, unspecified, initial encounter.
Is T79.A0 billable?
No. T79.A0 is a header in the FY2027 CDC file. Report a more specific code under it.
What documentation notes apply to T79.A0?
The CDC tabular list gives 2 Excludes1 notes (not coded together), 5 Excludes2 notes (may be coded together when both are documented) for T79.A0 and the categories above it. They are listed on this page.
What chapter is T79.A0 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.