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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G40-G47
Episodic and paroxysmal disorders
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G40-
Epilepsy and recurrent seizures
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2019 ICD-10-CM Diagnosis Code G40.501
Epileptic seizures related to external causes, not intractable, with status epilepticus
2016 2017 2018 2019 Billable/Specific Code
- G40.501 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Epileptic seiz rel to extrn causes, not ntrct, w stat epi
- The 2019 edition of ICD-10-CM G40.501 became effective on October 1, 2018.
- This is the American ICD-10-CM version of G40.501 - other international versions of ICD-10 G40.501 may differ.
The following code(s) above
G40.501 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
G40.501:
- G00-G99
2019 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 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)
- G40.5
ICD-10-CM Diagnosis Code G40.5
Epileptic seizures related to external causes
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Applicable To- Epileptic seizures related to alcohol
- Epileptic seizures related to drugs
- Epileptic seizures related to hormonal changes
- Epileptic seizures related to sleep deprivation
- Epileptic seizures related to stress
Code Also- , if applicable, associated epilepsy and recurrent seizures (G40.-)
Use Additional- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- Epilepsia partialis continua, with status epilepticus
ICD-10-CM G40.501 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
- 023 Craniotomy with major device implant or acute complex cns pdx with mcc or chemotherapy implant or epilepsy with neurostimulator
- 024 Craniotomy with major device implant or acute complex cns pdx without mcc
- 100 Seizures with mcc
- 101 Seizures without mcc
Convert G40.501 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
- 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 Billable/Specific Code
Applicable To- Epilepsy NOS
- Epileptic convulsions NOS
- Epileptic fits NOS
- Epileptic seizures NOS
- Recurrent seizures NOS
- Seizure disorder NOS
- related to
- alcohol G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- not intractable G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- with status epilepticus G40.501
- drugs G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- not intractable G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- with status epilepticus G40.501
- external causes G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- not intractable G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- with status epilepticus G40.501
- hormonal changes G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- not intractable G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- with status epilepticus G40.501
- sleep deprivation G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- not intractable G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- with status epilepticus G40.501
- stress G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- not intractable G40.509
ICD-10-CM Diagnosis Code G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Epileptic seizures related to external causes, NOS
- with status epilepticus G40.501
ICD-10-CM Codes Adjacent To G40.501
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
G40.5 Epileptic seizures related to external causes
G40.50 Epileptic seizures related to external causes, not intractable
G40.501
…… with status epilepticus
G40.509 …… without status epilepticus
G40.8 Other epilepsy and recurrent seizures
G40.801 …… not intractable, with status epilepticus
G40.802 …… not intractable, without status epilepticus
G40.803 …… intractable, with status epilepticus
G40.804 …… intractable, without status epilepticus
G40.81 Lennox-Gastaut syndrome
G40.811 …… not intractable, with status epilepticus
G40.812 …… not intractable, without status epilepticus
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
