F64.0 – Transsexualism

ICD-10-CM 2027 diagnosis code · Disorders of adult personality and behavior

Billable code

ICD-10-CM code F64.0

Code: F64.0 (claims format: F640)
Description: Transsexualism
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: F60-F69 Disorders of adult personality and behavior
Parent codes: F64

Notes for F64.0

Applicable to:

Gender dysphoria in adolescents and adults
Gender identity disorder in adolescence and adulthood
Gender incongruence in adolescents and adults
Transgender

Excludes1 (not coded here):

gender identity disorder of childhood (F64.2)

Index terms for F64.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in F64

F64.1 – Dual role transvestismBillable
F64.2 – Gender identity disorder of childhoodBillable
F64.8 – Other gender identity disordersBillable
F64.9 – Gender identity disorder, unspecifiedBillable
F64.A – Gender identity disorder, in remissionBillable

Frequently asked questions

What is ICD-10 code F64.0?

F64.0 is the ICD-10-CM code for transsexualism, in the block F60-F69 (Disorders of adult personality and behavior).

Is F64.0 a billable code?

Yes. F64.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does F64.0 belong to?

It belongs to category F64 – Gender identity disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.