All ICD10 Codes

M79.1

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Myalgia

Use a more specific code (4 billable)
M79.10Myalgia, unspecified siteM79.11Myalgia of mastication muscleM79.12Myalgia of auxiliary muscles, head and neckM79.18Myalgia, other site
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Includes
  • Myofascial pain syndrome
Excludes1(Not coded here. Use a different code.)
General instructions are available for the parent sections:
View CH13 NotesView M79 Notes

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 classified
M79.1MyalgiaNot billable
M79.10Myalgia, unspecified siteBillable
M79.11Myalgia of mastication muscleBillable
M79.12Myalgia of auxiliary muscles, head and neckBillable
M79.18Myalgia, other siteBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M79.1:

categoryM79
Other and unspecified soft tissue disorders, not elsewhere classified
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

Code History

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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