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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G70-G73
Diseases of myoneural junction and muscle
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G71-
Primary disorders of muscles
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2021 ICD-10-CM Diagnosis Code G71.9
2021 ICD-10-CM Diagnosis Code G71.9
Primary disorder of muscle, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- G71.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM G71.9 became effective on October 1, 2020.
- This is the American ICD-10-CM version of G71.9 - other international versions of ICD-10 G71.9 may differ.
The following code(s) above
G71.9 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
G71.9:
Approximate Synonyms
- Disorder of muscle, primary
- Primary myopathy
ICD-10-CM G71.9 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 091 Other disorders of nervous system with mcc
- 092 Other disorders of nervous system with cc
- 093 Other disorders of nervous system without cc/mcc
Convert G71.9 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
- Disorder (of) - see also Disease
- neuromuscular G70.9
ICD-10-CM Diagnosis Code G70.9
Myoneural disorder, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Myopathy G72.9
ICD-10-CM Diagnosis Code G72.9
Myopathy, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
ICD-10-CM Codes Adjacent To G71.9
G71.19 Other specified myotonic disorders
G71.2 Congenital myopathies
G71.20 Congenital myopathy, unspecifed
G71.220 X-linked myotubular myopathy
G71.228 Other centronuclear myopathy
G71.29 Other congenital myopathy
G71.3 Mitochondrial myopathy, not elsewhere classified
G71.8 Other primary disorders of muscles
G71.9
Primary disorder of muscle, unspecified
G72 Other and unspecified myopathies
G72.0 Drug-induced myopathy
G72.2 Myopathy due to other toxic agents
G72.4 Inflammatory and immune myopathies, not elsewhere classified
G72.41 Inclusion body myositis [IBM]
G72.49 Other inflammatory and immune myopathies, not elsewhere classified
G72.8 Other specified myopathies
G72.81 Critical illness myopathy
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.