G40.00

Hierarchy

Where G40.00 sits in the official hierarchy. Each level is the code it is classified under.

1. G40 Epilepsy and recurrent seizures
2. G40.0 Parent Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
3. G40.00 This code Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• G40.001 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus Billable
• G40.009 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus Billable

Version History

How G40.00 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable

2. FY 2026 Effective October 1, 2025

   Unchanged

   Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable