G00–G99
Diseases of the Nervous System
Parkinson's, epilepsy, migraine, neuropathy
G40.841
KCNQ2-related epilepsy, not intractable, with status epilepticus
Billable
G40.842
KCNQ2-related epilepsy, not intractable, without status epilepticus
Billable
G40.843
KCNQ2-related epilepsy, intractable, with status epilepticus
Billable
G40.844
KCNQ2-related epilepsy, intractable, without status epilepticus
Billable
G40.89
Other seizures
Billable
G40.9
Epilepsy, unspecified
Non-billable
G40.90
Epilepsy, unspecified, not intractable
Non-billable
G40.901
Epilepsy, unspecified, not intractable, with status epilepticus
Billable
G40.909
Epilepsy, unspecified, not intractable, without status epilepticus
Billable
G40.91
Epilepsy, unspecified, intractable
Non-billable
G40.911
Epilepsy, unspecified, intractable, with status epilepticus
Billable
G40.919
Epilepsy, unspecified, intractable, without status epilepticus
Billable
G40.A
Absence epileptic syndrome
Non-billable
G40.A0
Absence epileptic syndrome, not intractable
Non-billable
G40.A01
Absence epileptic syndrome, not intractable, with status epilepticus
Billable
G40.A09
Absence epileptic syndrome, not intractable, without status epilepticus
Billable
G40.A1
Absence epileptic syndrome, intractable
Non-billable
G40.A11
Absence epileptic syndrome, intractable, with status epilepticus
Billable
G40.A19
Absence epileptic syndrome, intractable, without status epilepticus
Billable
G40.B
Juvenile myoclonic epilepsy [impulsive petit mal]
Non-billable
G40.B0
Juvenile myoclonic epilepsy, not intractable
Non-billable
G40.B01
Juvenile myoclonic epilepsy, not intractable, with status epilepticus
Billable
G40.B09
Juvenile myoclonic epilepsy, not intractable, without status epilepticus
Billable
G40.B1
Juvenile myoclonic epilepsy, intractable
Non-billable
G40.B11
Juvenile myoclonic epilepsy, intractable, with status epilepticus
Billable
G40.B19
Juvenile myoclonic epilepsy, intractable, without status epilepticus
Billable
G40.C
Lafora progressive myoclonus epilepsy
Non-billable
G40.C0
Lafora progressive myoclonus epilepsy, not intractable
Non-billable
G40.C01
Lafora progressive myoclonus epilepsy, not intractable, with status epilepticus
Billable
G40.C09
Lafora progressive myoclonus epilepsy, not intractable, without status epilepticus
Billable
G40.C1
Lafora progressive myoclonus epilepsy, intractable
Non-billable
G40.C11
Lafora progressive myoclonus epilepsy, intractable, with status epilepticus
Billable
G40.C19
Lafora progressive myoclonus epilepsy, intractable, without status epilepticus
Billable
G43
Migraine
Non-billable
G43.0
Migraine without aura
Non-billable
G43.00
Migraine without aura, not intractable
Non-billable
G43.001
Migraine without aura, not intractable, with status migrainosus
Billable
G43.009
Migraine without aura, not intractable, without status migrainosus
Billable
G43.01
Migraine without aura, intractable
Non-billable
G43.011
Migraine without aura, intractable, with status migrainosus
Billable
G43.019
Migraine without aura, intractable, without status migrainosus
Billable
G43.1
Migraine with aura
Non-billable
G43.10
Migraine with aura, not intractable
Non-billable
G43.101
Migraine with aura, not intractable, with status migrainosus
Billable
G43.109
Migraine with aura, not intractable, without status migrainosus
Billable
G43.11
Migraine with aura, intractable
Non-billable
G43.111
Migraine with aura, intractable, with status migrainosus
Billable
G43.119
Migraine with aura, intractable, without status migrainosus
Billable
G43.4
Hemiplegic migraine
Non-billable
G43.40
Hemiplegic migraine, not intractable
Non-billable
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