G40.309
ICD-10-CMGeneralized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus
This code represents a diagnosis of generalized idiopathic epilepsy and associated epileptic syndromes that are currently well-controlled with treatment and do not involve a continuous seizure state. It signifies a primary, unprovoked seizure disorder affecting both hemispheres of the brain, where the underlying cause is unknown.
Use this code for patients diagnosed with generalized epilepsy who are not experiencing intractable seizures and are not in status epilepticus. Documentation should clearly state "generalized idiopathic epilepsy" or a specific generalized epileptic syndrome (e.g., juvenile myoclonic epilepsy) and confirm the absence of intractability and status epilepticus.
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