Category G40
Epilepsy and recurrent seizures
Clinical Classification Guidelines
Specific Diagnosis Codes
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
G40.0
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
G40.00
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus
G40.001
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus
G40.009
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable
G40.01
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, with status epilepticus
G40.011
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticus
G40.019
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
G40.1
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
G40.10
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, with status epilepticus
G40.101
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus
G40.109
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
G40.11
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, with status epilepticus
G40.111
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, without status epilepticus
G40.119
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
G40.2
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
G40.20
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus
G40.201
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, without status epilepticus
G40.209
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
G40.21
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, with status epilepticus
G40.211
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, without status epilepticus
G40.219
Generalized idiopathic epilepsy and epileptic syndromes
G40.3
Generalized idiopathic epilepsy and epileptic syndromes, not intractable
G40.30
Generalized idiopathic epilepsy and epileptic syndromes, not intractable, with status epilepticus
G40.301
Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus
G40.309
Generalized idiopathic epilepsy and epileptic syndromes, intractable
G40.31
Generalized idiopathic epilepsy and epileptic syndromes, intractable, with status epilepticus
G40.311
Generalized idiopathic epilepsy and epileptic syndromes, intractable, without status epilepticus
G40.319
Other generalized epilepsy and epileptic syndromes
G40.4
Other generalized epilepsy and epileptic syndromes, not intractable
G40.40
Other generalized epilepsy and epileptic syndromes, not intractable, with status epilepticus
G40.401
Other generalized epilepsy and epileptic syndromes, not intractable, without status epilepticus
G40.409
Other generalized epilepsy and epileptic syndromes, intractable
G40.41
Other generalized epilepsy and epileptic syndromes, intractable, with status epilepticus
G40.411
Other generalized epilepsy and epileptic syndromes, intractable, without status epilepticus
G40.419
Cyclin-Dependent Kinase-Like 5 Deficiency Disorder
G40.42
Epileptic seizures related to external causes
G40.5
Epileptic seizures related to external causes, not intractable
G40.50
Epileptic seizures related to external causes, not intractable, with status epilepticus
G40.501
Epileptic seizures related to external causes, not intractable, without status epilepticus
G40.509
Other epilepsy and recurrent seizures
G40.8
Other epilepsy
G40.80
Other epilepsy, not intractable, with status epilepticus
G40.801
Other epilepsy, not intractable, without status epilepticus
G40.802
Other epilepsy, intractable, with status epilepticus
G40.803
Other epilepsy, intractable, without status epilepticus
G40.804
Lennox-Gastaut syndrome
G40.81
Lennox-Gastaut syndrome, not intractable, with status epilepticus
G40.811
Lennox-Gastaut syndrome, not intractable, without status epilepticus
G40.812
Lennox-Gastaut syndrome, intractable, with status epilepticus
G40.813
Lennox-Gastaut syndrome, intractable, without status epilepticus
G40.814
Epileptic spasms
G40.82
Epileptic spasms, not intractable, with status epilepticus
G40.821
Epileptic spasms, not intractable, without status epilepticus
G40.822
Epileptic spasms, intractable, with status epilepticus
G40.823
Epileptic spasms, intractable, without status epilepticus
G40.824
Dravet syndrome
G40.83
Dravet syndrome, intractable, with status epilepticus
G40.833
Dravet syndrome, intractable, without status epilepticus
G40.834
KCNQ2-related epilepsy
G40.84
KCNQ2-related epilepsy, not intractable, with status epilepticus
G40.841
KCNQ2-related epilepsy, not intractable, without status epilepticus
G40.842
KCNQ2-related epilepsy, intractable, with status epilepticus
G40.843
KCNQ2-related epilepsy, intractable, without status epilepticus
G40.844
Other seizures
G40.89
Epilepsy, unspecified
G40.9
Epilepsy, unspecified, not intractable
G40.90
Epilepsy, unspecified, not intractable, with status epilepticus
G40.901
Epilepsy, unspecified, not intractable, without status epilepticus
G40.909
Epilepsy, unspecified, intractable
G40.91
Epilepsy, unspecified, intractable, with status epilepticus
G40.911
Epilepsy, unspecified, intractable, without status epilepticus
G40.919
Absence epileptic syndrome
G40.A
Absence epileptic syndrome, not intractable
G40.A0
Absence epileptic syndrome, not intractable, with status epilepticus
G40.A01
Absence epileptic syndrome, not intractable, without status epilepticus
G40.A09
Absence epileptic syndrome, intractable
G40.A1
Absence epileptic syndrome, intractable, with status epilepticus
G40.A11
Absence epileptic syndrome, intractable, without status epilepticus
G40.A19
Juvenile myoclonic epilepsy [impulsive petit mal]
G40.B
Juvenile myoclonic epilepsy, not intractable
G40.B0
Juvenile myoclonic epilepsy, not intractable, with status epilepticus
G40.B01
Juvenile myoclonic epilepsy, not intractable, without status epilepticus
G40.B09
Juvenile myoclonic epilepsy, intractable
G40.B1
Juvenile myoclonic epilepsy, intractable, with status epilepticus
G40.B11
Juvenile myoclonic epilepsy, intractable, without status epilepticus
G40.B19
Lafora progressive myoclonus epilepsy
G40.C
Lafora progressive myoclonus epilepsy, not intractable
G40.C0
Lafora progressive myoclonus epilepsy, not intractable, with status epilepticus
G40.C01
Lafora progressive myoclonus epilepsy, not intractable, without status epilepticus
G40.C09
Lafora progressive myoclonus epilepsy, intractable
G40.C1
Lafora progressive myoclonus epilepsy, intractable, with status epilepticus
G40.C11
Lafora progressive myoclonus epilepsy, intractable, without status epilepticus
G40.C19
