F80.0 vs F80.4
F80.0 (Phonological disorder) compared with F80.4 (Speech and language development delay due to hearing loss), 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. F80.0 carries an Excludes2 note covering F80.4: “speech articulation impairment due to hearing loss (F80.4)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F80.0Phonological disorder | F80.4Speech and language development delay due to hearing loss | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Phonological disorder is a billable ICD-10-CM diagnosis code (F80.0). | Speech and language development delay due to hearing loss is a billable ICD-10-CM diagnosis code (F80.4). |
| Includes | Dyslalia Functional speech articulation disorder Lalling Lisping | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources