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ICD-10-CM · FY 2026 APRIL UPDATE

T79.A

Traumatic compartment syndrome

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T79.A0Compartment syndrome, unspecifiedCategory
T79.A0XACompartment syndrome, unspecified, initial encounterBillable
T79.A0XDCompartment syndrome, unspecified, subsequent encounterBillable
T79.A0XSCompartment syndrome, unspecified, sequelaBillable
T79.A1Traumatic compartment syndrome of upper extremityCategory
T79.A11Traumatic compartment syndrome of right upper extremityCategory
T79.A11ATraumatic compartment syndrome of right upper extremity, initial encounterBillable
T79.A11DTraumatic compartment syndrome of right upper extremity, subsequent encounterBillable
T79.A11STraumatic compartment syndrome of right upper extremity, sequelaBillable
T79.A12Traumatic compartment syndrome of left upper extremityCategory
T79.A12ATraumatic compartment syndrome of left upper extremity, initial encounterBillable
T79.A12DTraumatic compartment syndrome of left upper extremity, subsequent encounterBillable
T79.A12STraumatic compartment syndrome of left upper extremity, sequelaBillable
T79.A19Traumatic compartment syndrome of unspecified upper extremityCategory
T79.A19ATraumatic compartment syndrome of unspecified upper extremity, initial encounterBillable
T79.A19DTraumatic compartment syndrome of unspecified upper extremity, subsequent encounterBillable
T79.A19STraumatic compartment syndrome of unspecified upper extremity, sequelaBillable
T79.A2Traumatic compartment syndrome of lower extremityCategory
T79.A21Traumatic compartment syndrome of right lower extremityCategory
T79.A21ATraumatic compartment syndrome of right lower extremity, initial encounterBillable
T79.A21DTraumatic compartment syndrome of right lower extremity, subsequent encounterBillable
T79.A21STraumatic compartment syndrome of right lower extremity, sequelaBillable
T79.A22Traumatic compartment syndrome of left lower extremityCategory
T79.A22ATraumatic compartment syndrome of left lower extremity, initial encounterBillable
T79.A22DTraumatic compartment syndrome of left lower extremity, subsequent encounterBillable
T79.A22STraumatic compartment syndrome of left lower extremity, sequelaBillable
T79.A29Traumatic compartment syndrome of unspecified lower extremityCategory
T79.A29ATraumatic compartment syndrome of unspecified lower extremity, initial encounterBillable
T79.A29DTraumatic compartment syndrome of unspecified lower extremity, subsequent encounterBillable
T79.A29STraumatic compartment syndrome of unspecified lower extremity, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

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ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.