Gender identity disorders (F64) ICD-10-CM
The F64 code range covers gender identity disorders with 6 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the F64 Range 6 codes · 5 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)
Gender Identity
A person's concept of self as being male and masculine or female and feminine, or ambivalent, based in part on physical characteristics, parental responses, and psychological and social pressures. It is the internal experience of gender role.
Transsexualism
Expression of a GENDER IDENTITY inconsistent with, or not culturally-associated with the gender assigned to an individual at birth, combined with the desire to permanently transition to the gender with which they identify.
About the F64 Code Range
The ICD-10 codes under F64 cover various gender identity disorders, including transsexualism, dual role transvestism, and gender identity disorder in childhood. These codes help medical professionals document and classify conditions related to an individual's gender identity experience.
This section includes F64.0, which identifies transsexualism, often referred to as gender dysphoria in adolescence and adulthood or the desire to live as the opposite sex, with terms like male-to-female transsexual and female-to-male transsexual linked to this code. F64.1 is specific for dual role transvestism, commonly known as cross-dressing. F64.2 refers to gender identity disorder of childhood, also called gender dysphoria in childhood. The codes F64.8 and F64.9 cover other or unspecified gender identity disorders, including terms like psychosexual identity disorder and issues related to sexual relationship difficulties due to gender identity confusion. Understanding these codes is essential for accurate diagnosis, treatment planning, and insurance purposes when addressing complex gender identity conditions.
Questions About This Page
How many billable codes are in the F64 range?
Of the 6 codes in this range, 5 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. 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 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
