M79.A2

Nontraumatic compartment syndrome of lower extremity

Non-billable header

M79.A2 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

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

Includes (from M79)

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

  • compartment syndrome NOS (T79.A-) (from M79.A)
  • fibromyalgia (M79.7) (from M79.A)
  • nontraumatic ischemic infarction of muscle (M62.2-) (from M79.A)
  • traumatic compartment syndrome (T79.A-) (from M79.A)
  • psychogenic rheumatism (F45.8) (from M79)
  • soft tissue pain, psychogenic (F45.41) (from M79)

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-) (from M79)
  • certain conditions originating in the perinatal period (P04-P96) (from M79)
  • certain infectious and parasitic diseases (A00-B99) (from M79)
  • compartment syndrome (traumatic) (T79.A-) (from M79)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M79)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M79)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M79)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M79)
  • neoplasms (C00-D49) (from M79)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M79)

Code first

Sequence the underlying condition first.

  • , if applicable, associated postprocedural complication (from M79.A)

Also known as

  • Nontraumatic compartment syndrome of hip, buttock, thigh, leg, foot, and toes
  • Compartment syndrome, nontraumatic, lower extremity
  • Syndrome, compartment, nontraumatic, lower extremity

Parent code

  • M79.ANontraumatic compartment syndromeHeader

More specific codes M79.A2

  • M79.A21Nontraumatic compartment syndrome of right lower extremityBillable
  • M79.A22Nontraumatic compartment syndrome of left lower extremityBillable
  • M79.A29Nontraumatic compartment syndrome of unspecified lower extremityBillable

Related codes

  • M79.A1Nontraumatic compartment syndrome of upper extremityHeader
  • M79.A3Nontraumatic compartment syndrome of abdomenBillable
  • M79.A9Nontraumatic compartment syndrome of other sitesBillable

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