T79.A Traumatic compartment syndrome

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Traumatic compartment syndrome is T79.A (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
T79: Certain early complications of trauma (T79)
Category T79
22 codes (18 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with T79.A.
  • fibromyalgia (M79.7)
  • nontraumatic compartment syndrome (M79.A-)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • traumatic ischemic infarction of muscle (T79.6)

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

T79 Certain early complications of trauma, not elsewhere classified

More Specific Codes

T79.A0 Compartment syndrome, unspecified T79.A1 Traumatic compartment syndrome of upper extremity T79.A11 Traumatic compartment syndrome of right upper extremity T79.A12 Traumatic compartment syndrome of left upper extremity T79.A19 Traumatic compartment syndrome of unspecified upper extremity T79.A2 Traumatic compartment syndrome of lower extremity T79.A21 Traumatic compartment syndrome of right lower extremity T79.A22 Traumatic compartment syndrome of left lower extremity T79.A29 Traumatic compartment syndrome of unspecified lower extremity T79.A3 Traumatic compartment syndrome of abdomen T79.A9 Traumatic compartment syndrome of other sites

Related Codes in T79

T79 Certain early complications of trauma, not elsewhere classified T79.0 Air embolism (traumatic) T79.1 Fat embolism (traumatic) T79.2 Traumatic secondary and recurrent hemorrhage and seroma T79.4 Traumatic shock T79.5 Traumatic anuria T79.6 Traumatic ischemia of muscle T79.7 Traumatic subcutaneous emphysema T79.8 Other early complications of trauma T79.9 Unspecified early complication of trauma T79.A0 Compartment syndrome, unspecified T79.A1 Traumatic compartment syndrome of upper extremity T79.A11 Traumatic compartment syndrome of right upper extremity T79.A12 Traumatic compartment syndrome of left upper extremity T79.A19 Traumatic compartment syndrome of unspecified upper extremity T79.A2 Traumatic compartment syndrome of lower extremity T79.A21 Traumatic compartment syndrome of right lower extremity T79.A22 Traumatic compartment syndrome of left lower extremity T79.A29 Traumatic compartment syndrome of unspecified lower extremity T79.A3 Traumatic compartment syndrome of abdomen
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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