G40.8
Non-billableOther epilepsy and recurrent seizures
Other epilepsy and recurrent seizures
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
- Landau-Kleffner syndrome
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •hippocampal sclerosisG93.81
- •mesial temporal sclerosisG93.81
- •temporal sclerosisG93.81
- •Todd's paralysisG83.84
Child Codes (6)
Related Codes(10)
G40.0Local-rel (focal) idio epilepsy w seizures of loc onset
G40.1Local-rel (focal) symptc epilepsy w simple partial seizures
G40.2Local-rel (focal) symptc epilepsy w complex partial seizures
G40.3Generalized idiopathic epilepsy and epileptic syndromes
G40.4Other generalized epilepsy and epileptic syndromes
G40.5Epileptic seizures related to external causes
G40.9Epilepsy, unspecified
G40.AAbsence epileptic syndrome
G40.BJuvenile myoclonic epilepsy [impulsive petit mal]
G40.CLafora progressive myoclonus epilepsy
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(41)
UMLS
- ACQUIRED CHILDHOOD APHASIA WITH CONVULSIVE DISC0282512
- APHASIA, ACQUIRED, WITH EPILEPSYC0282512
- Acquired Aphasia with Convulsive DisorderC0282512
- Acquired Childhoood Aphasia with Convulsive DisorderC0282512
- Acquired Epileptic AphasiaC0282512
- Acquired Epileptic AphasiasC0282512
- Acquired Epileptiform AphasiaC0282512
- Acquired Epileptiform AphasiasC0282512
- Acquired aphasia with epilepsyC0282512
- Acquired epileptic aphasiaC0282512
- Aphasia, Acquired EpilepticC0282512
- Aphasia, Acquired, With Convulsive DisorderC0282512
- Aphasia, Acquired, with EpilepsyC0282512
- Aphasia, Epileptic, AcquiredC0282512
- EPILEPSY, FOCAL, WITH SPEECH DISORDER AND WITH OR WITHOUT IMPAIRED INTELLECTUAL DEVELOPMENTC0282512
- EPILEPSY, FOCAL, WITH SPEECH DISORDER AND WITH OR WITHOUT MENTAL RETARDATIONC0282512
- Epilepsy, Focal, with Speech Disorder and with or without Mental RetardationC0282512
- Epilepsy-aphasia spectrumC0282512
- Epileptic Aphasia, AcquiredC0282512
- Epileptic Aphasias, AcquiredC0282512
- Epileptiform Aphasia, AcquiredC0282512
- Epileptiform Aphasias, AcquiredC0282512
- FESDC0282512
- FESD with or without Mental RetardationC0282512
- Focal epilepsies with speech and language disordersC0282512
- Focal epilepsy with speech disorder and with or without mental retardationC0282512
- LANDAU-KLEFFNER SYNDROMEC0282512
- LKSC0282512
- LKS - Landau-Kleffner syndromeC0282512
- Landau Kleffner Acquired Epileptiform AphasiaC0282512
- Landau Kleffner SyndromeC0282512
- Landau-Kleffner Acquired Epileptiform AphasiaC0282512
- Landau-Kleffner SyndromeC0282512
- Landau-Kleffner syndromeC0282512
- Landau-Kleffner syndrome (disorder)C0282512
- Syndrome, Landau-KleffnerC0282512
- acquired epileptic aphasiaC0282512
- landau kleffner syndromeC0282512
- landau-kleffner syndromeC0282512
- Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalizedC2875129
- Other epilepsy and recurrent seizuresC3263972
Frequently Asked Questions
What is the ICD-10 code for other epilepsy and recurrent seizures?
The ICD-10-CM code for other epilepsy and recurrent seizures is G40.8. The full clinical description is "Other epilepsy and recurrent seizures". G40.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G40.8 mean?
ICD-10-CM code G40.8 represents “Other epilepsy and recurrent seizures”. It is classified under Chapter 6: Diseases of the Nervous System and is a non-billable header code. Use a more specific child code for billing purposes.
Is G40.8 a billable code?
No, G40.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under G40.8.
What chapter is G40.8 in?
G40.8 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G40.8?
G40.8 has Excludes1 notes indicating codes that cannot be used together with it, including: conversion disorder with seizures (F44.5); convulsions NOS (R56.9); post traumatic seizures (R56.1); and 2 more.
What are the subcategories under G40.8?
G40.8 has 6 child codes, including: G40.80 (Other epilepsy), G40.81 (Lennox-Gastaut syndrome), G40.82 (Epileptic spasms), G40.83 (Dravet syndrome), and 2 more.
What are the UMLS CUIs for G40.8?
G40.8 is linked to 3 UMLS Concept Unique Identifiers: C0282512, C2875129, C3263972. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G40.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other epilepsy and recurrent seizures affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G40.8?
G40.8 maps to the ICD-11 code: 8A6Z (Epilepsy or seizures, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.