2020 ICD-10-CM Diagnosis Code G40.919

Epilepsy, unspecified, intractable, without status epilepticus

    2016 2017 2018 2019 2020 Billable/Specific Code
  • G40.919 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Epilepsy, unsp, intractable, without status epilepticus
  • The 2020 edition of ICD-10-CM G40.919 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of G40.919 - other international versions of ICD-10 G40.919 may differ.
The following code(s) above G40.919 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 G40.919:
  • G00-G99
    2020 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
  • G40
    ICD-10-CM Diagnosis Code G40

    Epilepsy and recurrent seizures

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Note
    • the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
    Type 1 Excludes
    • conversion disorder with seizures (F44.5)
    • convulsions NOS (R56.9)
    • post traumatic seizures (R56.1)
    • seizure (convulsive) NOS (R56.9)
    • seizure of newborn (P90)
    Type 2 Excludes
    Epilepsy and recurrent seizures
  • G40.91
    ICD-10-CM Diagnosis Code G40.91

    Epilepsy, unspecified, intractable

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Intractable seizure disorder NOS
    Epilepsy, unspecified, intractable
Approximate Synonyms
  • Epilepsy, intractable
  • Refractory epilepsy
  • Seizures, unclassified epileptic , intractable
ICD-10-CM G40.919 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 023 Craniotomy with major device implant or acute complex cns pdx with mcc or chemotherapy implant or epilepsy with neurostimulator
  • 100 Seizures with mcc
  • 101 Seizures without mcc

Convert G40.919 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

Diagnosis Index entries containing back-references to G40.919:
  • Disorder (of) - see also Disease
    • seizure G40.909
      - see also Epilepsy
      ICD-10-CM Diagnosis Code G40.909

      Epilepsy, unspecified, not intractable, without status epilepticus

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Epilepsy NOS
      • Epileptic convulsions NOS
      • Epileptic fits NOS
      • Epileptic seizures NOS
      • Recurrent seizures NOS
      • Seizure disorder NOS
  • Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) G40.909
    ICD-10-CM Diagnosis Code G40.909

    Epilepsy, unspecified, not intractable, without status epilepticus

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Epilepsy NOS
    • Epileptic convulsions NOS
    • Epileptic fits NOS
    • Epileptic seizures NOS
    • Recurrent seizures NOS
    • Seizure disorder NOS
    • intractable G40.919
      • without status epilepticus G40.919
  • Seizure(s) R56.9
    - see also Convulsions
    ICD-10-CM Diagnosis Code R56.9

    Unspecified convulsions

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Convulsion disorder
    • Fit NOS
    • Recurrent convulsions
    • Seizure(s) (convulsive) NOS

ICD-10-CM Codes Adjacent To G40.919
G40.822 …… not intractable, without status epilepticus
G40.823 …… intractable, with status epilepticus
G40.824 …… intractable, without status epilepticus
G40.89 Other seizures
G40.9 Epilepsy, unspecified
G40.90 Epilepsy, unspecified, not intractable
G40.901 …… with status epilepticus
G40.909 …… without status epilepticus
G40.91 Epilepsy, unspecified, intractable
G40.911 …… with status epilepticus
G40.919 …… without status epilepticus
G43 Migraine
G43.0 Migraine without aura
G43.00 Migraine without aura, not intractable
G43.001 …… with status migrainosus
G43.009 …… without status migrainosus
G43.01 Migraine without aura, intractable
G43.011 …… with status migrainosus
G43.019 …… without status migrainosus
G43.1 Migraine with aura
G43.10 Migraine with aura, not intractable

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