ICDcodes.org
FY2027

M79.1 — Myalgia

Not billable

Is M79.1 billable?

No — M79.1 is a non-billable header code. M79.1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath M79.1.

M79.1 at a glance

CodeM79.1
DescriptionMyalgia
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Excludes1 — never code together

The conditions below can never be reported together with M79.1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Inclusion terms

Alternative wording in documentation that is classified to M79.1.

  • Myofascial pain syndrome

Excludes1 — never code together — inherited from M79

The conditions below can never be reported together with M79.1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

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

Excludes2 — not included here — inherited from Chapter 13

The conditions below are not part of M79.1, but a patient may have both at the same time. When documentation supports it, M79.1 and the excluded code may both be reported.

  • 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)

What codes fall under M79.1? (4)

How long has M79.1 existed?

M79.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

  • FY2019: M79.1 stopped being billable

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with M79.1?

ICD-10-CM declares these codes mutually exclusive with M79.1 — exactly one of each pair can be correct for a given encounter.

What other codes are in the M79 family? (10)