Gender identity disorders (F64) ICD-10-CM
The F64 code range covers gender identity disorders with 7 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the F64 Range 7 codes · 6 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the F64 range.
Gender Dysphoria
A marked difference between the individual’s expressed/experienced gender and the gender others would assign to the individual, and it must continue for at least six months. (from DSM-5)
Transvestism
Disorder characterized by recurrent, intense sexually arousing fantasies, sexual urges, or behaviors involving cross-dressing in a heterosexual male. The fantasies, urges, or behaviors cause clinically significant distress or impairment in social, occupational or other areas of functioning. (from APA, DSM-IV, 1994)
About the F64 Code Range
These diagnoses concern gender identity. Although the category sits under disorders of adult personality and behavior, it has a separate childhood entry.
The subdivisions distinguish F64.0 transsexualism, F64.1 dual-role transvestism, and F64.2 gender identity disorder of childhood. They also provide entries for F64.8 other, F64.9 unspecified, and F64.A in-remission gender identity disorders.
FY 2027 changes: The FY 2027 ICD-10-CM update, effective October 1, 2026, added F64.A.
Questions About This Page
How many billable codes are in the F64 range?
Of the 7 codes in this range, 6 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the F64 range classify?
The range classifies gender identity disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.