F64.2 vs F66
F64.2 (Gender identity disorder of childhood) compared with F66 (Other sexual disorders), 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. F64.2 carries an Excludes2 note covering F66: “sexual maturation disorder (F66)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F64.2Gender identity disorder of childhood | F66Other sexual disorders | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Gender identity disorder of childhood is a billable ICD-10-CM diagnosis code (F64.2). | Other sexual disorders is a billable ICD-10-CM diagnosis code (F66). |
| Includes | Gender dysphoria in children Gender incongruence of childhood | Sexual maturation disorder Sexual relationship disorder |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources