M79.12
Billable codeMyalgia of auxiliary muscles, head and neck
The ICD-10 code for myalgia of auxiliary muscles, head and neck is M79.12.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M79.10Myalgia, unspecified site
- M79.11Myalgia of mastication muscle
- M79.18Myalgia, other site
- M79.12Myalgia of auxiliary muscles, head and neck
Associated MS-DRGs
M79.12 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.