G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable

G40.20 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable.