Home > 2014 ICD-10-CM Diagnosis Codes > Diseases of the nervous system G00-G99 > Episodic and paroxysmal disorders G40-G47 > Epilepsy and recurrent seizures G40-
2014 ICD-10-CM Diagnosis Code G40.4
Other generalized epilepsy and epileptic syndromes
G40.4 is not a billable ICD-10-CM diagnosis code and cannot be used to indicate a medical diagnosis.
ICD-10-CM becomes effective on October 1, 2014, therefore, G40.4 and all ICD-10-CM diagnosis codes should only be used for training or planning purposes until then.
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.
Epilepsy with grand mal seizures on awakening
Epilepsy with myoclonic absences
Epilepsy with myoclonic-astatic seizures
Grand mal seizure NOS
Nonspecific atonic epileptic seizures
Nonspecific clonic epileptic seizures
Nonspecific myoclonic epileptic seizures
Nonspecific tonic epileptic seizures
Nonspecific tonic-clonic epileptic seizures
Symptomatic early myoclonic encephalopathy
Between 1999-2007 there were 137 deaths in the United States where ICD-10 G40.4 was indicated as the underlying cause of death [source: cdc.gov]
ICD-10 G40.4 as underlying cause of death data broken down by: gender, age, race, year