F64.1
Dual role transvestism
F64.1 (also written F641) is a billable ICD-10-CM diagnosis code for dual role transvestism. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 6 codes in category F64 (Gender identity disorders). The Alphabetic Index lists it under 2 entries. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 2 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
- code to identify sex reassignment status (Z87.890-)
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- gender identity disorder in childhood (F64.2)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- fetishistic transvestism (F65.1)
Also from chapter/block level (1 note)
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the Behavioral Health clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026IPF Primary
IPF MS-DRG adjustment. A principal diagnosis of this code groups to this MS-DRG:
| MS-DRG | Description | Factor |
|---|---|---|
| 887 | Other mental disorder diagnoses | 1.00 |
Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
- disorders of psychological development
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 2 entries