2021 ICD-10-CM Diagnosis Code G71.8

Other primary disorders of muscles

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • G71.8 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 G71.8 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of G71.8 - other international versions of ICD-10 G71.8 may differ.
The following code(s) above G71.8 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 G71.8:
  • G00-G99
    2021 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • 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)
    Diseases of the nervous system
  • G71
    ICD-10-CM Diagnosis Code G71

    Primary disorders of muscles

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • arthrogryposis multiplex congenita (Q74.3)
    • metabolic disorders (E70-E88)
    • myositis (M60.-)
    Primary disorders of muscles
Approximate Synonyms
  • Benign monomelic amyotrophy
  • Monomelic amyotrophy
ICD-10-CM G71.8 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 G71.8 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

Diagnosis Index entries containing back-references to G71.8:
  • Amyotrophia, amyotrophy, amyotrophic G71.8
  • Myopathy G72.9
    ICD-10-CM Diagnosis Code G72.9

    Myopathy, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • hereditary G71.9
      ICD-10-CM Diagnosis Code G71.9

      Primary disorder of muscle, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Hereditary myopathy NOS
      • specified NEC G71.8
    • primary G71.9
      ICD-10-CM Diagnosis Code G71.9

      Primary disorder of muscle, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Hereditary myopathy NOS
      • specified NEC G71.8

ICD-10-CM Codes Adjacent To G71.8
G71.14 Drug induced myotonia
G71.19 Other specified myotonic disorders
G71.2 Congenital myopathies
G71.20 Congenital myopathy, unspecifed
G71.21 Nemaline myopathy
G71.22 Centronuclear myopathy
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
G72.1 Alcoholic myopathy
G72.2 Myopathy due to other toxic agents
G72.3 Periodic paralysis
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

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.