ICD-10-CM 2027
ICD-10 code for Transsexualism
From the official ICD-10-CM alphabetic index entry “Transsexualism”. Page updated September 29, 2026.
About coding Transsexualism
The ICD-10-CM code for Transsexualism is F64.0 (Transsexualism).
Within F64 (gender identity disorders), F64.0 is specifically for Transsexualism. Related codes cover dual role transvestism (F64.1), gender identity disorder of childhood (F64.2), other gender identity disorders (F64.8), gender identity disorder, unspecified (F64.9) and gender identity disorder, in remission (F64.A).
Don't report F64.0 together with the conditions in its Excludes1 note: gender identity disorder of childhood (F64.2).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for F64.0)
- gender identity disorder of childhood (F64.2)
Common questions about Transsexualism ICD-10 codes
What is the ICD-10 code for Transsexualism?
- F64.0 — Transsexualism.
Is F64.0 billable?
- Yes. F64.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can F64.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict F64.0 as a principal diagnosis.
Is F64.0 a CC or MCC?
- No. F64.0 is neither a CC nor an MCC under MS-DRG v44.0.