M79.1
Non-billableMyalgia
Myalgia
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Myofascial pain syndrome
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (4)
Related Codes(10)
M79.0Rheumatism, unspecified
M79.2Neuralgia and neuritis, unspecified
M79.3Panniculitis, unspecified
M79.4Hypertrophy of (infrapatellar) fat pad
M79.5Residual foreign body in soft tissue
M79.6Pain in limb, hand, foot, fingers and toes
M79.7Fibromyalgia
M79.8Other specified soft tissue disorders
M79.9Soft tissue disorder, unspecified
M79.ANontraumatic compartment syndrome
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(61)
UMLS
- Aching musclesC0231528
- Generalised muscle achesC0231528
- Generalized muscle achesC0231528
- Muscle AcheC0231528
- Muscle PainC0231528
- Muscle SorenessC0231528
- Muscle SorenessesC0231528
- Muscle acheC0231528
- Muscle achesC0231528
- Muscle discomfortC0231528
- Muscle painC0231528
- Muscle pain (finding)C0231528
- Muscle painsC0231528
- Muscle sorenessC0231528
- Muscular painC0231528
- Muscular painsC0231528
- MyalgiaC0231528
- MyalgiasC0231528
- MyodyniaC0231528
- MyoneuralgiaC0231528
- MyosalgiaC0231528
- Pain muscleC0231528
- Pain, MuscleC0231528
- Pains, MuscleC0231528
- Soreness, MuscleC0231528
- ache muscleC0231528
- ache musclesC0231528
- aches muscleC0231528
- aches musclesC0231528
- muscle acheC0231528
- muscle achesC0231528
- muscle discomfortC0231528
- muscle painC0231528
- muscle painsC0231528
- muscle sorenessC0231528
- muscles painC0231528
- muscles painsC0231528
- muscular painC0231528
- muscular painsC0231528
- myalgiaC0231528
- myalgiasC0231528
- myalgicC0231528
- myodyniaC0231528
- pain muscleC0231528
- pain musclesC0231528
- pain muscularC0231528
- pains muscleC0231528
- MPS - myofascial pain syndromeC0027073
- Myofascial Pain SyndromeC0027073
- Myofascial Pain SyndromesC0027073
- Myofascial pain dysfunction syndromeC0027073
- Myofascial pain syndromeC0027073
- Myofascial pain syndrome (disorder)C0027073
- Myofascial trigger point syndromeC0027073
- Pain Syndrome, MyofascialC0027073
- Pain Syndromes, MyofascialC0027073
- Syndrome, Myofascial PainC0027073
- Syndromes, Myofascial PainC0027073
- myofascial pain syndromeC0027073
- myofascial pain syndromesC0027073
- pain syndrome myofascialC0027073
Frequently Asked Questions
What is the ICD-10 code for myalgia?
The ICD-10-CM code for myalgia is M79.1. The full clinical description is "Myalgia". M79.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M79.1 mean?
ICD-10-CM code M79.1 represents “Myalgia”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M79.1 a billable code?
No, M79.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under M79.1.
What chapter is M79.1 in?
M79.1 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M79.1?
M79.1 has Excludes1 notes indicating codes that cannot be used together with it, including: psychogenic rheumatism (F45.8); soft tissue pain, psychogenic (F45.41); fibromyalgia (M79.7); and 1 more.
What are the subcategories under M79.1?
M79.1 has 4 child codes, including: M79.10 (Myalgia, unspecified site), M79.11 (Myalgia of mastication muscle), M79.12 (Myalgia of auxiliary muscles, head and neck), M79.18 (Myalgia, other site).
What are the UMLS CUIs for M79.1?
M79.1 is linked to 2 UMLS Concept Unique Identifiers: C0231528, C0027073. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M79.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like myalgia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M79.1?
M79.1 maps to the ICD-11 code: FB56.2 (Myalgia).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.