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M79Non-billableSave

M79 - Other and unspecified soft tissue disorders, not elsewhere classified

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M70-M79 Other soft tissue disorders (M70-M79) · Top-level category · FY2027

Coding Guidance

M79 is a non-billable heading. Report one of the 11 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom M79

Mutually exclusive: these conditions are never reported together with this code.

  • psychogenic rheumatism (F45.8)
  • soft tissue pain, psychogenic (F45.41)
Excludes 2 — Not Included HereFrom Chapter M00-M99

Not part of this code; report both codes when the patient has both conditions.

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
NotesFrom Chapter M00-M99

Instructional notes from the ICD-10-CM tabular list.

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

More Specific Codes (11)

M79.0Rheumatism, unspecified→M79.1Myalgia→M79.2Neuralgia and neuritis, unspecified→M79.3Panniculitis, unspecified→M79.4Hypertrophy of (infrapatellar) fat pad→M79.5Residual foreign body in soft tissue→M79.6Pain in limb, hand, foot, fingers and toes→M79.7Fibromyalgia→M79.8Other specified soft tissue disorders→M79.9Soft tissue disorder, unspecified→M79.ANontraumatic compartment syndrome→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with M79.