G40 - Epilepsy and recurrent seizures

The ICD 10 Code for Epilepsy and recurrent seizures is listed as G40.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	G40
Description:	Epilepsy and recurrent seizures Note: The following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled. Excludes1: conversion disorder with seizures (F44.5) convulsions NOS (R56.9) hippocampal sclerosis (G93.81) mesial temporal sclerosis (G93.81) post traumatic seizures (R56.1) seizure (convulsive) NOS (R56.9) seizure of newborn (P90) temporal sclerosis (G93.81) Todd's paralysis (G83.8)

Chapter	Diseases of the nervous system (G00-G99)
ICD-10-CM Children (deeper level / typically more specific) of G40:
G40.0 - Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
G40.1 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
G40.2 - Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
G40.3 - Generalized idiopathic epilepsy and epileptic syndromes
G40.4 - Other generalized epilepsy and epileptic syndromes
G40.5 - Epileptic seizures related to external causes
G40.8 - Other epilepsy and recurrent seizures
G40.9 - Epilepsy, unspecified
G40.A - Absence epileptic syndrome
G40.B - Juvenile myoclonic epilepsy [impulsive petit mal]