F80.1 vs G40.80
F80.1 (Expressive language disorder) compared with G40.80 (Other epilepsy), 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. F80.1 carries an Excludes2 note covering G40.80: “acquired aphasia with epilepsy [Landau-Kleffner] (G40.80-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F80.1Expressive language disorder | G40.80Other epilepsy | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Expressive language disorder is a billable ICD-10-CM diagnosis code (F80.1). | Other epilepsy is a non-billable ICD-10-CM category code (G40.80). |
| Includes | Developmental dysphasia or aphasia, expressive type | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources