G40.89 vs G40.909
G40.89 (Other seizures) compared with G40.909 (Epilepsy, unspecified, not intractable, without status epilepticus), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. G40.89 carries an Excludes1 note covering G40.909: “recurrent seizures NOS (G40.909)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| G40.89Other seizures | G40.909Epilepsy, unspecified, not intractable, without status epilepticus | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Other seizures is a billable ICD-10-CM diagnosis code (G40.89). | Epilepsy, unspecified, not intractable, without status epilepticus is a billable ICD-10-CM diagnosis code (G40.909). |
| Includes | — | Epilepsy NOS Epileptic convulsions NOS Epileptic fits NOS Epileptic seizures NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources