Episodic and paroxysmal disorders (G40-G47)
G40: Epilepsy and recurrent seizures

notes
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)
post traumatic seizures (R56.1)
seizure (convulsive) NOS (R56.9)
seizure of newborn (P90)

excludes2
hippocampal sclerosis (G93.81)
mesial temporal sclerosis (G93.81)
temporal sclerosis (G93.81)
Todd's paralysis (G83.84)
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.A: Absence epileptic syndrome
G40.B: Juvenile myoclonic epilepsy [impulsive petit mal]
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

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