Billable / Specific Code
ICD-10-CM F64.9 is the diagnosis code for Gender identity disorder, unspecified. This code falls under the section "Disorders of adult personality and behavior" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where F64.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F64.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F64.9 is the ICD-10-CM diagnosis code for "Gender identity disorder, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F64.9 is F64 ("Gender identity disorders"). F64.9 provides a more specific classification within this category.
F64.9 is located in Section F60-F69 — "Disorders of adult personality and behavior" within Chapter 5 of the ICD-10-CM Tabular List.
Use F64.9 when the patients documented diagnosis matches "Gender identity disorder, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Gender identity disorder, unspecified is F64.9.
Yes, F64.9 can be used as a primary diagnosis code since it is billable and specific.
F64.9 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F64.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.