All ICD10 Codes

M79

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Other and unspecified soft tissue disorders, not elsewhere classified

Use a more specific code (7 billable, 4 non-billable)
M79.0Rheumatism, unspecifiedM79.1Myalgiahas subcodesM79.2Neuralgia and neuritis, unspecifiedM79.3Panniculitis, unspecifiedM79.4Hypertrophy of (infrapatellar) fat padM79.5Residual foreign body in soft tissueM79.6Pain in limb, hand, foot, fingers and toeshas subcodesM79.7FibromyalgiaM79.8Other specified soft tissue disordershas subcodesM79.9Soft tissue disorder, unspecifiedM79.ANontraumatic compartment syndromehas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • psychogenic rheumatism (F45.8)
  • soft tissue pain, psychogenic (F45.41)

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M70-M79Other soft tissue disorders (M70-M79)
M79Other and unspecified soft tissue disorders, not elsewhere classifiedNot billable
M79.0Rheumatism, unspecifiedBillable
M79.1MyalgiaSubcodes
M79.2Neuralgia and neuritis, unspecifiedBillable
M79.3Panniculitis, unspecifiedBillable
M79.4Hypertrophy of (infrapatellar) fat padBillable
M79.5Residual foreign body in soft tissueBillable
M79.6Pain in limb, hand, foot, fingers and toesSubcodes
M79.7FibromyalgiaBillable
M79.8Other specified soft tissue disordersSubcodes
M79.9Soft tissue disorder, unspecifiedBillable
M79.ANontraumatic compartment syndromeSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M79:

chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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