ICD-10 Code G40.201 – Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code G40.201 – Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus
What it is
This code identifies focal symptomatic epilepsy with complex partial seizures that are not documented as intractable and that present with status epilepticus. Use it when the seizure disorder is localized and prolonged or continuous enough to meet status epilepticus criteria.
Clinical signs
Typical features include impaired awareness, altered behavior, automatisms, and focal onset seizure activity. Clinical features vary; refer to documentation, especially when the record confirms status epilepticus and a focal epilepsy syndrome.
When to use this code
Use this code when the provider documents focal symptomatic epilepsy with complex partial seizures and specifies status epilepticus. It also fits when the seizure disorder is not intractable and the note clearly supports a prolonged seizure episode or repeated seizures without full recovery.
Check documentation for seizure type, focal localization, and whether status epilepticus is explicitly stated. If the record does not specify these elements, you should not assume this code.
Do not use for
Do not use this code for generalized seizures, simple partial seizures, or epilepsy without status epilepticus. If intractability or seizure type is different, select the more accurate documented code.
Coding tip
Verify both the focal epilepsy description and the status epilepticus documentation before assigning G40.201.