MCMedicalCodingSoftware
M79.0

M79.0: Rheumatism, unspecified

Billable / specific codeICD-10-CM

M79.0 is a billable, specific ICD-10-CM code for rheumatism, unspecified. It is valid for submission on a claim.

Check M79.0 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • fibromyalgia (M79.7)
  • palindromic rheumatism (M12.3-)

Excludes1 inherited from the categories above M79.0

A category’s note binds every code beneath it.

Written on M79: Other and unspecified soft tissue disorders, not elsewhere classified

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

M79.0 is named in 14 Medicare coverage policies: 2 listing it as supporting medical necessity, and 12 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A57701Billing and Coding: Trigger Point Injections (TPI)not covered
  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Alphabetic index entries that lead here

  • Rheumatism(articular) (neuralgic) (nonarticular)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under M79

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.