2020 ICD-10-CM Diagnosis Code G40.901

Epilepsy, unspecified, not intractable, with status epilepticus

    2016 2017 2018 2019 2020 Billable/Specific Code
  • G40.901 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Epilepsy, unsp, not intractable, with status epilepticus
  • The 2020 edition of ICD-10-CM G40.901 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of G40.901 - other international versions of ICD-10 G40.901 may differ.
The following code(s) above G40.901 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 G40.901:
  • 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
  • G40.90
    ICD-10-CM Diagnosis Code G40.90

    Epilepsy, unspecified, not intractable

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Epilepsy, unspecified, without intractability
    Epilepsy, unspecified, not intractable
Approximate Synonyms
  • Grand mal status
  • Seizure, partial
  • Status epilepticus
  • Status epilepticus, grand mal
ICD-10-CM G40.901 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 G40.901 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
Code annotations containing back-references to G40.901:
  • Type 1 Excludes: R56.01
    ICD-10-CM Diagnosis Code R56.01

    Complex febrile convulsions

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Atypical febrile seizure
    • Complex febrile seizure
    • Complicated febrile seizure
    Type 1 Excludes

Diagnosis Index entries containing back-references to G40.901:
  • Convulsions (idiopathic) R56.9
    - see also Seizure(s)
    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
    • febrile R56.00
      ICD-10-CM Diagnosis Code R56.00

      Simple febrile convulsions

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Febrile convulsion NOS
      • Febrile seizure NOS
      • complex R56.01
        ICD-10-CM Diagnosis Code R56.01

        Complex febrile convulsions

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Atypical febrile seizure
        • Complex febrile seizure
        • Complicated febrile seizure
        Type 1 Excludes
        • with status epilepticus G40.901
      • with status epilepticus G40.901
  • 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
    • not intractable 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
      • with status epilepticus G40.901
  • 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
    • febrile (simple) R56.00
      ICD-10-CM Diagnosis Code R56.00

      Simple febrile convulsions

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Febrile convulsion NOS
      • Febrile seizure NOS
      • complex (atypical) (complicated) R56.01
        ICD-10-CM Diagnosis Code R56.01

        Complex febrile convulsions

          2016 2017 2018 2019 2020 Billable/Specific Code
        Applicable To
        • Atypical febrile seizure
        • Complex febrile seizure
        • Complicated febrile seizure
        Type 1 Excludes
        • with status epilepticus G40.901
      • with status epilepticus G40.901
  • Status (post) - see also Presence (of)

ICD-10-CM Codes Adjacent To G40.901
G40.813 …… intractable, with status epilepticus
G40.814 …… intractable, without status epilepticus
G40.82 Epileptic spasms
G40.821 …… not intractable, with status epilepticus
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

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