M79.A9 Nontraumatic compartment syndrome of other sites
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Nontraumatic compartment syndrome of other sites
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- compartment syndrome NOS (T79.A-)
- fibromyalgia (M79.7)
- nontraumatic ischemic infarction of muscle (M62.2-)
- traumatic compartment syndrome (T79.A-)
- psychogenic rheumatism (F45.8)
- soft tissue pain, psychogenic (F45.41)
Code first
Code the underlying condition first, then this code.
- , if applicable, associated postprocedural complication
Related codes
M79.A11Nontraumatic compartment syndrome of right upper extremity ICD-10-CMM79.A12Nontraumatic compartment syndrome of left upper extremity ICD-10-CMM79.A19Nontraumatic compartment syndrome of unspecified upper extremity ICD-10-CMM79.A21Nontraumatic compartment syndrome of right lower extremity ICD-10-CMM79.A22Nontraumatic compartment syndrome of left lower extremity ICD-10-CMM79.A29Nontraumatic compartment syndrome of unspecified lower extremity ICD-10-CMM79.A3Nontraumatic compartment syndrome of abdomen ICD-10-CMM79.81Nontraumatic hematoma of soft tissue ICD-10-CM
Common questions
Is M79.A9 a billable code?
Yes. M79.A9 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.