-
ICD-10-CM Codes
›
-
G00-G99
›
-
G40-G47
›
-
G40-
›
-
2023 ICD-10-CM Diagnosis Code G40.409
2023 ICD-10-CM Diagnosis Code G40.409
Other generalized epilepsy and epileptic syndromes, not intractable, without status epilepticus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- G40.409 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Oth generalized epilepsy, not intractable, w/o stat epi
- The 2023 edition of ICD-10-CM G40.409 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G40.409 - other international versions of ICD-10 G40.409 may differ.
The following code(s) above
G40.409 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
G40.409:
- G00-G99
2023 ICD-10-CM Range G00-G99
Diseases of the nervous systemType 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)
- G40
ICD-10-CM Diagnosis Code G40
Epilepsy and recurrent seizures
2016 2017 2018 2019 2020 2021 2022 2023 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)
- G40.4
ICD-10-CM Diagnosis Code G40.4
Other generalized epilepsy and epileptic syndromes
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Applicable To- Epilepsy with grand mal seizures on awakening
- Epilepsy with myoclonic absences
- Epilepsy with myoclonic-astatic seizures
- Grand mal seizure NOS
- Nonspecific atonic epileptic seizures
- Nonspecific clonic epileptic seizures
- Nonspecific myoclonic epileptic seizures
- Nonspecific tonic epileptic seizures
- Nonspecific tonic-clonic epileptic seizures
- Symptomatic early myoclonic encephalopathy
- G40.40
ICD-10-CM Diagnosis Code G40.40
Other generalized epilepsy and epileptic syndromes, not intractable
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Applicable To- Other generalized epilepsy and epileptic syndromes without intractability
- Other generalized epilepsy and epileptic syndromes NOS
- Lennox gastaut syndrome
- West syndrome
ICD-10-CM G40.409 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 023 Craniotomy with major device implant or acute complex cns principal diagnosis with mcc or chemotherapy implant or epilepsy with neurostimulator
- 100 Seizures with mcc
- 101 Seizures without mcc
Convert G40.409 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
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 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 2021 2022 2023 Billable/Specific Code
Applicable To- Epilepsy NOS
- Epileptic convulsions NOS
- Epileptic fits NOS
- Epileptic seizures NOS
- Recurrent seizures NOS
- Seizure disorder NOS
- Myoclonus, myoclonic, myoclonia (familial) (essential) (multifocal) (simplex) G25.3
ICD-10-CM Diagnosis Code G25.3
Myoclonus
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Drug-induced myoclonus
- Palatal myoclonus
Use Additional- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- Seizure(s) R56.9 - see also Convulsions
ICD-10-CM Diagnosis Code R56.9
Unspecified convulsions
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Convulsion disorder
- Fit NOS
- Recurrent convulsions
- Seizure(s) (convulsive) NOS
ICD-10-CM Codes Adjacent To G40.409
G40.B Juvenile myoclonic epilepsy [impulsive petit mal]
G40.B0 Juvenile myoclonic epilepsy, not intractable
G40.B09 …… without status epilepticus
G40.B1 Juvenile myoclonic epilepsy, intractable
G40.B19 …… without status epilepticus
G40.4 Other generalized epilepsy and epileptic syndromes
G40.40 Other generalized epilepsy and epileptic syndromes, not intractable
G40.409
…… without status epilepticus
G40.41 Other generalized epilepsy and epileptic syndromes, intractable
G40.419 …… without status epilepticus
G40.42 Cyclin-Dependent Kinase-Like 5 Deficiency Disorder
G40.5 Epileptic seizures related to external causes
G40.50 Epileptic seizures related to external causes, not intractable
G40.509 …… without status epilepticus
G40.8 Other epilepsy and recurrent seizures
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
