Home > 2017 ICD-10-CM Diagnosis Codes > Diseases of the nervous system G00-G99 > Episodic and paroxysmal disorders G40-G47 > Epilepsy and recurrent seizures G40-
2017 ICD-10-CM Diagnosis Code G40.4
Other generalized epilepsy and epileptic syndromes
G40.4 is not a billable or specific ICD-10-CM code as there are codes underneath it that describe this diagnosis with a greater level of detail.
This is the American ICD-10-CM version of G40.4. Other international versions of ICD-10 G40.4 may differ.
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
A generalized tonic-clinic seizure, characterized by loss of consciousness. This type of seizure may be preceded by an aura and is frequently followed by a period of confusion and lethargy (post-ictal state).
A symptomatic form of epilepsy often preceded by an aura; characterized by loss of consciousness with generalized tonic- clonic seizures.