M79.AHeader code — not billable
Nontraumatic compartment syndrome
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M79
- Effective date
- October 1, 2026
Related codes in category M79
M79Oth and unsp soft tissue disorders, not elsewhere classifiedM79.0Rheumatism, unspecifiedYesM79.1MyalgiaM79.10Myalgia, unspecified siteYesM79.11Myalgia of mastication muscleYesM79.12Myalgia of auxiliary muscles, head and neckYesM79.18Myalgia, other siteYesM79.2Neuralgia and neuritis, unspecifiedYesM79.3Panniculitis, unspecifiedYesM79.4Hypertrophy of (infrapatellar) fat padYesM79.5Residual foreign body in soft tissueYesM79.6Pain in limb, hand, foot, fingers and toes
Frequently asked questions
What is ICD-10 code M79.A?
M79.A is an ICD-10-CM diagnosis code for Nontraumatic compartment syndrome.
Is M79.A a billable code?
No. M79.A is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is M79.A in?
M79.A falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M79.A become effective?
M79.A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M79.A?
M79.A belongs to category M79, 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.