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M79.1

M79.1: Myalgia

Non-billable headerICD-10-CM

M79.1 is a non-billable header ICD-10-CM code for myalgia. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Myofascial pain syndrome

Excludes1 inherited from the categories above M79.1

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)

Other codes that can never be billed with M79.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • M62Other disorders of muscle

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M79.1

4 child codes. Green means billable.

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.