T79.A21ABillable
Traumatic compartment syndrome of right lower extremity, initial encounter
Short description: Traumatic compartment syndrome of r low extrem, init
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T79
- Effective date
- October 1, 2026
Related codes in category T79
T79Certain early complications of trauma, NECT79.0Air embolism (traumatic)T79.0XXAAir embolism (traumatic), initial encounterYesT79.0XXDAir embolism (traumatic), subsequent encounterYesT79.0XXSAir embolism (traumatic), sequelaYesT79.1Fat embolism (traumatic)T79.1XXAFat embolism (traumatic), initial encounterYesT79.1XXDFat embolism (traumatic), subsequent encounterYesT79.1XXSFat embolism (traumatic), sequelaYesT79.2Traumatic secondary and recurrent hemorrhage and seromaT79.2XXATraumatic secondary and recurrent hemor and seroma, initYesT79.2XXDTraumatic secondary and recurrent hemor and seroma, subsYes
Frequently asked questions
What is ICD-10 code T79.A21A?
T79.A21A is an ICD-10-CM diagnosis code for Traumatic compartment syndrome of right lower extremity, initial encounter.
Is T79.A21A a billable code?
Yes. T79.A21A is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T79.A21A in?
T79.A21A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T79.A21A become effective?
T79.A21A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T79.A21A?
T79.A21A belongs to category T79, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.