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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M60-M63
Disorders of muscles
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M63-
Disorders of muscle in diseases classified elsewhere
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2021 ICD-10-CM Diagnosis Code M63.80
2021 ICD-10-CM Diagnosis Code M63.80
Disorders of muscle in diseases classified elsewhere, unspecified site
2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
- M63.80 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Disorders of muscle in diseases classd elswhr, unsp site
- The 2021 edition of ICD-10-CM M63.80 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M63.80 - other international versions of ICD-10 M63.80 may differ.
ICD-10-CM Coding Rules
- M63.80 describes the manifestation of an underlying disease, not the disease itself.
The following code(s) above
M63.80 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M63.80:
- M00-M99
2021 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissueNote- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes- 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)
- M60-M63
2021 ICD-10-CM Range M60-M63
Disorders of musclesType 1 Excludes- dermatopolymyositis (M33.-)
- muscular dystrophies and myopathies (G71-G72)
- myopathy in amyloidosis (E85.-)
- myopathy in polyarteritis nodosa (M30.0)
- myopathy in rheumatoid arthritis (M05.32)
- myopathy in scleroderma (M34.-)
- myopathy in Sjögren's syndrome (M35.03)
- myopathy in systemic lupus erythematosus (M32.-)
- M63
ICD-10-CM Diagnosis Code M63
Disorders of muscle in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Type 1 Excludes- myopathy in cysticercosis (B69.81)
- myopathy in endocrine diseases (G73.7)
- myopathy in metabolic diseases (G73.7)
- myopathy in sarcoidosis (D86.87)
- myopathy in secondary syphilis (A51.49)
- myopathy in syphilis (late) (A52.78)
- myopathy in toxoplasmosis (B58.82)
- myopathy in tuberculosis (A18.09)
- Secondary muscle disorder
- Secondary myopathy
ICD-10-CM M63.80 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 557 Tendonitis, myositis and bursitis with mcc
- 558 Tendonitis, myositis and bursitis without mcc
Convert M63.80 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To M63.80
M62.89 Other specified disorders of muscle
M62.9 Disorder of muscle, unspecified
M63 Disorders of muscle in diseases classified elsewhere
M63.8 Disorders of muscle in diseases classified elsewhere
M63.80
…… unspecified site
M63.81 Disorders of muscle in diseases classified elsewhere, shoulder
M63.811 Disorders of muscle in diseases classified elsewhere, right shoulder
M63.812 Disorders of muscle in diseases classified elsewhere, left shoulder
M63.819 Disorders of muscle in diseases classified elsewhere, unspecified shoulder
M63.82 Disorders of muscle in diseases classified elsewhere, upper arm
M63.821 Disorders of muscle in diseases classified elsewhere, right upper arm
M63.822 Disorders of muscle in diseases classified elsewhere, left upper arm
M63.829 Disorders of muscle in diseases classified elsewhere, unspecified upper arm
M63.83 Disorders of muscle in diseases classified elsewhere, forearm
M63.831 Disorders of muscle in diseases classified elsewhere, right forearm
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
