Skip to main content

G40.B09 vs G93.81

G40.B09 (Juvenile myoclonic epilepsy, not intractable, without status epilepticus) compared with G93.81 (Temporal sclerosis), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. G40.B09 carries an Excludes2 note covering G93.81: “hippocampal sclerosis (G93.81)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. G40.B09 carries an Excludes2 note covering G93.81: “mesial temporal sclerosis (G93.81)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. G40.B09 carries an Excludes2 note covering G93.81: “temporal sclerosis (G93.81)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

G40.B09Juvenile myoclonic epilepsy, not intractable, without status epilepticusG93.81Temporal sclerosis
Billing statusBillableBillable
ClassificationG00-G99 — Diseases of the Nervous System (G00-G99)G00-G99 — Diseases of the Nervous System (G00-G99)
DefinitionJuvenile myoclonic epilepsy, not intractable, without status epilepticus is a billable ICD-10-CM diagnosis code (G40.B09).Temporal sclerosis is a billable ICD-10-CM diagnosis code (G93.81).
Includes
Hippocampal sclerosis
Mesial temporal sclerosis

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources