G40.8 is the authoritative medical code for Other epilepsy and recurrent seizures. This classification is used in medical billing and clinical recording to specify the clinical criteria for other epilepsy and recurrent seizures (ICD-10-CM G40.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Other epilepsy and recurrent seizures is a non-billable ICD-10-CM category code G40.8. A more specific billable subcode must be selected for claims submission. Inclusion terms: Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized; Landau-Kleffner syndrome. Excludes1 (not coded here): conversion disorder with seizures F44.5; convulsions NOS R56.9; post traumatic seizures R56.1; seizure convulsive NOS R56.9; seizure of newborn P90. Excludes2 (not included here): hippocampal sclerosis G93.81; mesial temporal sclerosis G93.81; temporal sclerosis G93.81; Todd's paralysis G83.84.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G40.8 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
- Landau-Kleffner syndrome
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- conversion disorder with seizures F44.5
- convulsions NOS R56.9
- post traumatic seizures R56.1
- seizure convulsive NOS R56.9
- seizure of newborn P90
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- hippocampal sclerosis G93.81
- mesial temporal sclerosis G93.81
- temporal sclerosis G93.81
- Todd's paralysis G83.84
Frequently Asked Questions (FAQ) & Clinical Guidance
Can G40.8 be billed directly?
No. G40.8 (Other epilepsy and recurrent seizures) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with G40.8?
Per official ICD-10-CM Excludes1 instructions, G40.8 must not be reported together with: conversion disorder with seizures (F44.5); convulsions NOS (R56.9); post traumatic seizures (R56.1); seizure (convulsive) NOS (R56.9).
Can G40.8 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, G40.8 and the following are not considered part of each other and may both be reported when both conditions are present: hippocampal sclerosis (G93.81); mesial temporal sclerosis (G93.81); temporal sclerosis (G93.81); Todd's paralysis (G83.84).
What conditions are included under G40.8?
Other epilepsy and recurrent seizures includes: Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized; Landau-Kleffner syndrome.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G40.8 in its code family, with their registry titles.
- G40.801 — Other epilepsy, not intractable, with status epilepticus
- G40.802 — Other epilepsy, not intractable, without status epilepticus
- G40.803 — Other epilepsy, intractable, with status epilepticus
- G40.804 — Other epilepsy, intractable, without status epilepticus
- G40.811 — Lennox-Gastaut syndrome, not intractable, with status epilepticus
- G40.812 — Lennox-Gastaut syndrome, not intractable, without status epilepticus
- G40.813 — Lennox-Gastaut syndrome, intractable, with status epilepticus
- G40.814 — Lennox-Gastaut syndrome, intractable, without status epilepticus
- G40.821 — Epileptic spasms, not intractable, with status epilepticus
- G40.822 — Epileptic spasms, not intractable, without status epilepticus
View all 18 codes in the G40.801 family