G40.309

✓ Billable

Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus

Diseases of the nervous system (G00-G99)

Also Known As

Generalized idiopathic epilepsy and epileptic syndromes NOS

✅ No additional coding notes for G40.309

🧪 Validate Combinations

Add G40.309 to the Excludes Checker to validate against your full code list.

Code Information

CodeG40.309

BillableYes

CategoryDiseases of the nervous system (G00-G99)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)