M79.A2 Nontraumatic compartment syndrome of lower extremity

Non-billable header with 3 child codes.

Applicable to

• Nontraumatic compartment syndrome of hip, buttock, thigh, leg, foot, and toes

Applies from M79 Other and unspecified soft tissue disorders, not elsewhere classified

Excludes1 (never code together)

• psychogenic rheumatism (F45.8)
• soft tissue pain, psychogenic (F45.41)

Applies from M79.A Nontraumatic compartment syndrome

Excludes1 (never code together)

• compartment syndrome NOS (T79.A-)
• fibromyalgia (M79.7)
• nontraumatic ischemic infarction of muscle (M62.2-)
• traumatic compartment syndrome (T79.A-)

Code first

• , if applicable, associated postprocedural complication

Codes under M79.A2

• M79.A21 Nontraumatic compartment syndrome of right lower extremity
• M79.A22 Nontraumatic compartment syndrome of left lower extremity
• M79.A29 Nontraumatic compartment syndrome of unspecified lower extremity

Code annotations containing back-references to M79.A2

Back-references to M79.A

• Type 1 Excludes: M62.2 Nontraumatic ischemic infarction of muscle ("nontraumatic compartment syndrome (M79.A-)")
• Type 1 Excludes: T79.A Traumatic compartment syndrome ("nontraumatic compartment syndrome (M79.A-)")

Diagnosis Index entries for M79.A2

• Compartment syndrome (deep) (posterior) (traumatic) › nontraumatic › lower extremity (hip, buttock, thigh, leg, foot, toes)
• Syndrome › compartment (deep) (posterior) (traumatic) › nontraumatic › lower extremity (hip, buttock, thigh, leg, foot, toes)

Nearby codes

• M79.A Nontraumatic compartment syndrome
• M79.A1 Nontraumatic compartment syndrome of upper extremity
• M79.A11 Nontraumatic compartment syndrome of right upper extremity
• M79.A12 Nontraumatic compartment syndrome of left upper extremity
• M79.A19 Nontraumatic compartment syndrome of unspecified upper extremity
• M79.A2 Nontraumatic compartment syndrome of lower extremity (this code)
• M79.A21 Nontraumatic compartment syndrome of right lower extremity
• M79.A22 Nontraumatic compartment syndrome of left lower extremity
• M79.A29 Nontraumatic compartment syndrome of unspecified lower extremity
• M79.A3 Nontraumatic compartment syndrome of abdomen
• M79.A9 Nontraumatic compartment syndrome of other sites