2026 ICD-10-CM Diagnosis Code F64.2Gender identity disorder of childhood

ICD-10-CM Codes›F01–F99›F60-F69›F64

ICD-10-CM F64.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F64.2 is a billable ICD-10-CM diagnosis code for gender identity disorder of childhood. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is restricted by the Medicare Code Editor to pediatric patients (age 0 through 17). Coders also document this condition as desire to become member of the opposite sex. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Miscellaneous mental and behavioral disorders/conditions.

Code Identity

ICD-10-CM Code
F64.2
Billable Status
Yes — Valid for Submission
Code Describes
Gender identity disorder of childhood
Short Description
Gender identity disorder of childhood
Same as the full description in the CMS dataset.
Parent Code
F64
Gender identity disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF60-F69Disorders of adult personality and behavior
CategoryF64Gender identity disorders
This CodeF64.2Gender identity disorder of childhood

Code EditsBilling

Medicare Code Editor checks that affect claim validity for F64.2.

Pediatric diagnoses
The Medicare Code Editor detects inconsistencies in pediatric cases by checking a patient's age and any diagnosis on the patient's record. The pediatric code edits apply to patients age range is 0–17 years inclusive (e.g., Reye's syndrome, routine child health exam).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Desire to become member of the opposite sex
  • Gender dysphoria
  • Gender dysphoria in childhood
  • Gender identity disorder
  • Gender identity disorder of childhood
  • Gender incongruence
  • Gender incongruence in childhood
  • Identity disorder of childhood

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Gender dysphoria in children
  • Gender incongruence of childhood

Type 1 Excludes

  • gender identity disorder in adolescence and adulthood F64.0

Type 2 Excludes

  • sexual maturation disorder F66

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Crisis
      • psychosexual identity
    • Disorder(of)
      • gender incongruence
        • of childhood
    • Disorder(of)
      • gender-identity or -role
        • childhood
    • Disorder(of)
      • psychosexual
        • identity of childhood
    • Dysphoria
      • gender
        • in
          • children
    • Identity disorder(child)
      • gender role
    • Identity disorder(child)
      • psychosexual
    • Psychosexual identity disorder of childhood

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD013
Miscellaneous mental and behavioral disorders/conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Gender Dysphoria

    a marked difference between the individual’s expressed/experienced gender and the gender others would assign to the individual, and it must continue for at least six months. (from dsm-5)

  • Gender Identity Disorder

    this concept has been retired and marked obsolete to ensure compliance with the executive order 14168 which mandates that gender should not be used as a replacement for sex.

  • Sexual and Gender Identity Disorders

    this concept has been retired and marked obsolete to ensure compliance with the executive order 14168 which mandates that gender should not be used as a replacement for sex.

  • Gender Dysphoria

    significant distress or impairment resulting from an inconsistency between an individual's biological sex and their self-identification. important notice: the nci thesaurus contains biomedical terminologies that nci does not own or control. this concept contains gender-related content that does not comply with executive order 14168.

  • Gender Identity Disorder

    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).

  • Sexual and Gender Identity Disorders

    a category of psychiatric disorders characterized by a disturbance in sexual desire and in the psychophysiological changes that make up the sexual response cycle.

Convert F64.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
302.6 Gendr identity dis-child
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F64.2Overview

Is F64.2 (Gender identity disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report gender identity disorder of childhood on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Who can F64.2 be reported for?

The Medicare Code Editor checks gender identity disorder of childhood against patient demographics: this code is intended for pediatric patients (age 0 through 17). Claims outside these limits are flagged as inconsistent.

What is the ICD-9 equivalent of F64.2?

Under the General Equivalence Mappings, gender identity disorder of childhood converts to ICD-9-CM 302.6 (gendr identity dis-child). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.