G00–G99
Diseases of the Nervous System
Parkinson's, epilepsy, migraine, neuropathy
G40.109
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus
Billable
G40.11
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
Non-billable
G40.111
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, with status epilepticus
Billable
G40.119
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, without status epilepticus
Billable
G40.2
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
Non-billable
G40.20
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
Non-billable
G40.201
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus
Billable
G40.209
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, without status epilepticus
Billable
G40.21
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
Non-billable
G40.211
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, with status epilepticus
Billable
G40.219
Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, without status epilepticus
Billable
G40.3
Generalized idiopathic epilepsy and epileptic syndromes
Non-billable
G40.30
Generalized idiopathic epilepsy and epileptic syndromes, not intractable
Non-billable
G40.301
Generalized idiopathic epilepsy and epileptic syndromes, not intractable, with status epilepticus
Billable
G40.309
Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus
Billable
G40.31
Generalized idiopathic epilepsy and epileptic syndromes, intractable
Non-billable
G40.311
Generalized idiopathic epilepsy and epileptic syndromes, intractable, with status epilepticus
Billable
G40.319
Generalized idiopathic epilepsy and epileptic syndromes, intractable, without status epilepticus
Billable
G40.4
Other generalized epilepsy and epileptic syndromes
Non-billable
G40.40
Other generalized epilepsy and epileptic syndromes, not intractable
Non-billable
G40.401
Other generalized epilepsy and epileptic syndromes, not intractable, with status epilepticus
Billable
G40.409
Other generalized epilepsy and epileptic syndromes, not intractable, without status epilepticus
Billable
G40.41
Other generalized epilepsy and epileptic syndromes, intractable
Non-billable
G40.411
Other generalized epilepsy and epileptic syndromes, intractable, with status epilepticus
Billable
G40.419
Other generalized epilepsy and epileptic syndromes, intractable, without status epilepticus
Billable
G40.42
Cyclin-Dependent Kinase-Like 5 Deficiency Disorder
Billable
G40.5
Epileptic seizures related to external causes
Non-billable
G40.50
Epileptic seizures related to external causes, not intractable
Non-billable
G40.501
Epileptic seizures related to external causes, not intractable, with status epilepticus
Billable
G40.509
Epileptic seizures related to external causes, not intractable, without status epilepticus
Billable
G40.8
Other epilepsy and recurrent seizures
Non-billable
G40.80
Other epilepsy
Non-billable
G40.801
Other epilepsy, not intractable, with status epilepticus
Billable
G40.802
Other epilepsy, not intractable, without status epilepticus
Billable
G40.803
Other epilepsy, intractable, with status epilepticus
Billable
G40.804
Other epilepsy, intractable, without status epilepticus
Billable
G40.81
Lennox-Gastaut syndrome
Non-billable
G40.811
Lennox-Gastaut syndrome, not intractable, with status epilepticus
Billable
G40.812
Lennox-Gastaut syndrome, not intractable, without status epilepticus
Billable
G40.813
Lennox-Gastaut syndrome, intractable, with status epilepticus
Billable
G40.814
Lennox-Gastaut syndrome, intractable, without status epilepticus
Billable
G40.82
Epileptic spasms
Non-billable
G40.821
Epileptic spasms, not intractable, with status epilepticus
Billable
G40.822
Epileptic spasms, not intractable, without status epilepticus
Billable
G40.823
Epileptic spasms, intractable, with status epilepticus
Billable
G40.824
Epileptic spasms, intractable, without status epilepticus
Billable
G40.83
Dravet syndrome
Non-billable
G40.833
Dravet syndrome, intractable, with status epilepticus
Billable
G40.834
Dravet syndrome, intractable, without status epilepticus
Billable
G40.84
KCNQ2-related epilepsy
Non-billable
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