M60.9
BillableMyositis, unspecified
Myositis, unspecified
Coding Notes
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
- •muscular dystrophies and myopathiesG71-G72
- •inclusion body myositis [IBM]G72.41
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(78)
SNOMED CT
- Maxillary myositis17935009
- Inflammatory disorder of muscle26889001
- Inflammatory myopathy26889001
- Muscle inflammation26889001
- Myositis26889001
- Inflammation of muscle of lower leg1264029007
- Myositis of lower leg1264029007
- Inflammation of muscle of foot1264033000
- Myositis of foot1264033000
- Inflammation of muscle of thigh1264036008
- Myositis of thigh1264036008
- Myositis of left foot15677081000119104
- Myositis of left lower leg15677001000119107
- Myositis of left thigh15676921000119102
- Myositis of right foot15676801000119101
- Myositis of right lower leg15676681000119105
- Myositis of right thigh15677521000119109
UMLS
- INFLAMM MUSCLE DISC0027121
- INFLAMM MYOPATHYC0027121
- Inflammatory Muscle DiseaseC0027121
- Inflammatory Muscle DiseasesC0027121
- Inflammatory MyopathiesC0027121
- Inflammatory MyopathyC0027121
- Inflammatory disorder of muscleC0027121
- Inflammatory myopathyC0027121
- Inflammatory myopathy NOSC0027121
- MUSCLE DIS INFLAMMC0027121
- MYOPATHY INFLAMMC0027121
- MYOSITISC0027121
- Muscle Disease, InflammatoryC0027121
- Muscle Diseases, InflammatoryC0027121
- Muscle inflammationC0027121
- Myopathies, InflammatoryC0027121
- Myopathy, InflammatoryC0027121
- MyositidesC0027121
- MyositisC0027121
- Myositis (disorder)C0027121
- Myositis, unspecifiedC0027121
- inflammation of the skeletal muscleC0027121
- inflammatory muscle diseaseC0027121
- inflammatory muscle diseasesC0027121
- inflammatory myopathiesC0027121
- inflammatory myopathyC0027121
- muscle inflammationC0027121
- myositisC0027121
- myositis nosC0027121
Clinical Terms
- Myositis of lower leg
- Muscle Disease, Inflammatory
- Inflammatory Muscle Diseases
- Inflammatory myopathy
- MUSCLE DIS INFLAMM
- inflammatory muscle disease
- Inflammatory Myopathies
- Inflammation of muscle of foot
- Myositis of foot
- Inflammatory disorder of muscle
- Myositis of right foot
- Muscle inflammation
- Myositis of left foot
- Myositis of left thigh
- Myositis of right thigh
- Myositis of left lower leg
- MYOPATHY INFLAMM
- myositis nos
- Myopathy, Inflammatory
- Myositides
- Myositis of thigh
- Inflammatory myopathy NOS
- Maxillary myositis
- INFLAMM MYOPATHY
- Inflammation of muscle of lower leg
- Myositis of right lower leg
- inflammation of the skeletal muscle
- Myopathies, Inflammatory
- Myositis (disorder)
- Inflammation of muscle of thigh
- Muscle Diseases, Inflammatory
- INFLAMM MUSCLE DIS
Frequently Asked Questions
What is the ICD-10 code for myositis, unspecified?
The ICD-10-CM code for myositis, unspecified is M60.9. The full clinical description is "Myositis, unspecified". M60.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M60.9 mean?
ICD-10-CM code M60.9 represents “Myositis, unspecified”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M60.9 a billable code?
Yes, M60.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M60.9 in?
M60.9 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M60.9?
M60.9 has Excludes1 notes indicating codes that cannot be used together with it, including: dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.0); and 4 more.
What SNOMED CT codes does M60.9 map to?
M60.9 maps to 11 SNOMED CT concepts: 1264033000, 1264029007, 1264036008, 26889001, 17935009, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M60.9?
M60.9 is linked to 1 UMLS Concept Unique Identifier: C0027121. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M60.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like myositis, unspecified 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 M60.9?
M60.9 maps to the ICD-11 code: FB32.Y (Other specified disorders of muscles).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.