2019 ICD-10-CM Diagnosis Code G73

Disorders of myoneural junction and muscle in diseases classified elsewhere

    2016 2017 2018 2019 Non-Billable/Non-Specific Code
  • G73 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Disord of myoneural junction and muscle in dis classd elswhr
  • The 2019 edition of ICD-10-CM G73 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of G73 - other international versions of ICD-10 G73 may differ.
The following code(s) above G73 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 G73:
  • G00-G99
    2019 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
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
Code annotations containing back-references to G73:
  • Code First: M62.84
    ICD-10-CM Diagnosis Code M62.84

    Sarcopenia

      2017 - New Code 2018 2019 Billable/Specific Code
    Applicable To
    • Age-related sarcopenia
    Code First
    • underlying disease, if applicable, such as:
    • disorders of myoneural junction and muscle disease in diseases classified elsewhere (G73.-)
    • other and unspecified myopathies (G72.-)
    • primary disorders of muscles (G71.-)
ICD-10-CM Codes Adjacent To G73
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
G72.81 Critical illness myopathy
G72.89 Other specified myopathies
G72.9 Myopathy, unspecified
G73 Disorders of myoneural junction and muscle in diseases classified elsewhere
G73.1 Lambert-Eaton syndrome in neoplastic disease
G73.3 Myasthenic syndromes in other diseases classified elsewhere
G73.7 Myopathy in diseases classified elsewhere
G80 Cerebral palsy
G80.0 Spastic quadriplegic cerebral palsy
G80.1 Spastic diplegic cerebral palsy
G80.2 Spastic hemiplegic cerebral palsy
G80.3 Athetoid cerebral palsy
G80.4 Ataxic cerebral palsy
G80.8 Other cerebral palsy

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