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ICD-10-CM Code F64.1
Gender identity disorder in adolescence and adulthood

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Mental Health
Mental Health Code
Indicates that the ICD code is referenced in DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, Version 5)
| ICD-10 from 2011 - 2016

F64.1 is a billable ICD code used to specify a diagnosis of gender identity disorder in adolescence and adulthood. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code F641 is used to code Dual-role transvestism

Dual-role transvestism is the formal diagnosis used by psychologists and physicians to describe people who wear clothes of the opposite sex to experience being the opposite sex temporarily, but don't have a sexual motive or want gender reassignment surgery. The International Classification of Diseases (ICD-10) list three diagnostic criteria for "Dual-role transvestism" (F64.1):

Specialty: Psychiatry
Source: Wikipedia

Coding Notes for F64.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Dual role transvestism
Transsexualism
Additional Code Note:
Use Additional Code
Use Additional Code note means a second code must be used in conjunction with this code. Codes with this note are Etiology codes and must be followed by a Manifestation code or codes.
Code to identify sex reassignment status See code Z87.890
Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Gender identity disorder in childhood - instead, use code F64.2
Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here."
Fetishistic transvestism - instead, use code F65.1

MS-DRG Mapping

  • DRG Group #887 - Other mental disorder diagnoses.

ICD-10-CM Alphabetical Index References for 'F64.1 - Gender identity disorder in adolescence and adulthood'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code F64.1. Click on any term below to browse the alphabetical index.

Transsexualism (F64.1)
Transvestism, transvestitism(dual-role) (F64.1)

Equivalent ICD-9 Codes GENERAL EQUIVALENCE MAPPINGS (GEM)

Trans-sexualism with unspecified sexual history (approximate match)
Gender identity disorder in adolescents or adults (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code F64.1 and a single ICD9 code, 302.85 is an approximate match for comparison and conversion purposes.


Parent Code: F64 - Gender identity disorders

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/F641