F42 vs F98
F42 (Obsessive-compulsive disorder) compared with F98 (Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence), 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. F98 carries an Excludes2 note covering F42: “obsessive-compulsive disorder (F42.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F42Obsessive-compulsive disorder | F98Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Obsessive-compulsive disorder is a non-billable ICD-10-CM category code (F42). | Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence is a non-billable ICD-10-CM category code (F98). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources