F80.1 vs F94.0
F80.1 (Expressive language disorder) compared with F94.0 (Selective mutism), 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 F94.0: “selective mutism (F94.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. F94.0 carries an Excludes2 note covering F80.1: “specific developmental disorders of speech and language (F80.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F80.1Expressive language disorder | F94.0Selective mutism | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Expressive language disorder is a billable ICD-10-CM diagnosis code (F80.1). | Selective mutism is a billable ICD-10-CM diagnosis code (F94.0). |
| Includes | Developmental dysphasia or aphasia, expressive type | Elective mutism |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources