F64.0

Transsexualism

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · F64.0

Excludes 1

gender identity disorder of childhood (F64.2)

Synonyms

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

Inherited from chapter 5Mental, Behavioral and Neurodevelopmental disorders

Includes

disorders of psychological development

Excludes 2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Official Guidelines for F64.0

FY 2026 ›

I.C.5Chapter-specific guidanceChapter 5: Mental, Behavioral and Neurodevelopmental disorders

Subsections

I.C.5.aPain disorders related to psychological factors
I.C.5.bMental and behavioral disorders due to psychoactive substance use
I.C.5.cFactitious Disorder
I.C.5.dDementia

Find F64.0 in the alphabetic index

5 index paths lead to this code

Transgender
Transsexualism
Disorder › gender incongruence › in adolescents and adults
Disorder › gender-identity or -role › of adolescence or adulthood
Dysphoria › gender › in › adolescence and adulthood