G40.509
ICD-10-CMEpileptic seizures related to external causes, not intractable, without status epilepticus
This code signifies an epileptic seizure that is provoked by an external factor, such as drug withdrawal, head trauma, or metabolic disturbance, and is currently well-controlled with treatment. It indicates that the patient is not experiencing continuous seizure activity (status epilepticus) and the seizures are not difficult to manage.
Apply this code when documentation clearly states an epileptic seizure occurred due to an identifiable external cause and is responsive to treatment. This code is appropriate when the patient does not have a history of intractable epilepsy and is not in status epilepticus at the time of encounter.
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