F90 vs F94.2
F90 (Attention-deficit hyperactivity disorders) compared with F94.2 (Disinhibited attachment disorder of childhood), 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. F94.2 carries an Excludes2 note covering F90: “attention-deficit hyperactivity disorders (F90.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F90Attention-deficit hyperactivity disorders | F94.2Disinhibited attachment disorder of childhood | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Attention-deficit hyperactivity disorders is a non-billable ICD-10-CM category code (F90). | Disinhibited attachment disorder of childhood is a billable ICD-10-CM diagnosis code (F94.2). |
| Includes | attention deficit disorder with hyperactivity attention deficit syndrome with hyperactivity | Affectionless psychopathy Institutional syndrome |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources