2020 ICD-10-CM Diagnosis Code F64.9

Gender identity disorder, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • F64.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM F64.9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of F64.9 - other international versions of ICD-10 F64.9 may differ.
Applicable To
  • Gender dysphoria, unspecified
  • Gender-role disorder NOS
The following code(s) above F64.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F64.9:
  • F01-F99
    2020 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
Approximate Synonyms
  • Gender dysphoria
  • Gender identity disorder
Clinical Information
  • A disorder characterized by a strong and persistent cross-gender identification (such as stating a desire to be the other sex or frequently passing as the other sex) coupled with persistent discomfort with his or her sex (manifested in adults, for example, as a preoccupation with altering primary and secondary sex characteristics through hormonal manipulation or surgery).
ICD-10-CM F64.9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 887 Other mental disorder diagnoses

Convert F64.9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to F64.9:

ICD-10-CM Codes Adjacent To F64.9
F63.3 Trichotillomania
F63.8 Other impulse disorders
F63.81 Intermittent explosive disorder
F63.89 Other impulse disorders
F63.9 Impulse disorder, unspecified
F64 Gender identity disorders
F64.0 Transsexualism
F64.1 Dual role transvestism
F64.2 Gender identity disorder of childhood
F64.8 Other gender identity disorders
F64.9 Gender identity disorder, unspecified
F65 Paraphilias
F65.0 Fetishism
F65.1 Transvestic fetishism
F65.2 Exhibitionism
F65.3 Voyeurism
F65.4 Pedophilia
F65.5 Sadomasochism
F65.50 …… unspecified
F65.51 Sexual masochism
F65.52 Sexual sadism

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.