F64.9: Gender identity disorder, unspecified
F64.9, gender identity disorder, unspecified, is listed as a covered diagnosis in 5 Medicare billing and coding articles that apply to 11 HCPCS Level II codes, including J1071 (Injection, testosterone cypionate, 1 mg), J3145 (Injection, testosterone undecanoate, 1 mg), J3490 (Unclassified drugs). The articles come from 4 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with F64.9 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J1071 | Injection, testosterone cypionate, 1 mg | Special coverage instructions apply | — | 1 |
| J3145 | Injection, testosterone undecanoate, 1 mg | Special coverage instructions apply | — | 1 |
| J3490 | Unclassified drugs | Special coverage instructions apply | — | 1 |
| J3121 | Injection, testosterone enanthate, 1 mg | Special coverage instructions apply | — | 1 |
| J1072 | Injection, testosterone cypionate (azmiro), 1 mg | Special coverage instructions apply | — | 1 |
| G0017 | Psychotherapy for crisis furnished in an applicable site of service (any place of service at which the non-facility rate for psychotherapy for crisis services applies, other than the office setting); first 60 minutes | Carrier judgment | — | 2 |
| G0018 | Psychotherapy for crisis furnished in an applicable site of service (any place of service at which the non-facility rate for psychotherapy for crisis services applies, other than the office setting); each additional 30 minutes (list separately in addition to code for primary service) | Carrier judgment | — | 2 |
| G0451 | Development testing, with interpretation and report, per standardized instrument form | Carrier judgment | — | 2 |
| G0560 | Safety planning interventions, each 20 minutes personally performed by the billing practitioner, including assisting the patient in the identification of the following personalized elements of a safety plan: recognizing warning signs of an impending suicidal or substance use-related crisis; employing internal coping strategies; utilizing social contacts and social settings as a means of distraction from suicidal thoughts or risky substance use; utilizing family members, significant others, caregivers, and/or friends to help resolve the crisis; contacting mental health or substance use disorder professionals or agencies; and making the environment safe | Carrier judgment | — | 1 |
| G0410 | Group psychotherapy other than of a multiple-family group, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes | Carrier judgment | — | 1 |
| G0411 | Interactive group psychotherapy, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes | Carrier judgment | — | 1 |
Medicare policy articles listing F64.9
- A58828: Billing and Coding: Treatment of Males with Low Testosterone (Palmetto GBA (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L36538, L39086
- A57520: Billing and Coding: Psychiatric Diagnostic Evaluation and Psychotherapy Services (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B); 3 Level II codes). LCD with the same title: L33252
- A57480: Billing and Coding: Psychiatry and Psychology Services (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 4 Level II codes). LCD with the same title: L33632, L34616
- A56937: Billing and Coding: Psychiatry and Psychology Services (Wellpoint Federal (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L33632, L34616
- A57780: Billing and Coding: Psychological and Neuropsychological Tests (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34520
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other F64 diagnoses (Gender identity disorders)
- F64.0 — Transsexualism
- F64.1 — Dual role transvestism
- F64.2 — Gender identity disorder of childhood
- F64.8 — Other gender identity disorders
Frequently asked questions
Does Medicare cover F64.9 (Gender identity disorder, unspecified)?
Medicare covers items and services, not diagnoses. 5 Medicare billing and coding articles list F64.9 as a covered diagnosis for 11 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 F64.9?
The Level II codes from the policies most specific to this diagnosis are J1071 (Injection, testosterone cypionate, 1 mg, 1 article); J3145 (Injection, testosterone undecanoate, 1 mg, 1 article); J3490 (Unclassified drugs, 1 article); J3121 (Injection, testosterone enanthate, 1 mg, 1 article); J1072 (Injection, testosterone cypionate (azmiro), 1 mg, 1 article). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list F64.9?
A58828 (Billing and Coding: Treatment of Males with Low Testosterone); A57520 (Billing and Coding: Psychiatric Diagnostic Evaluation and Psychotherapy Services); A57480 (Billing and Coding: Psychiatry and Psychology Services), and 2 more articles.
What is ICD-10-CM code F64.9?
F64.9 is the ICD-10-CM code for gender identity disorder, unspecified, in category F64 (Gender identity disorders), chapter 5: Mental, behavioral and neurodevelopmental disorders.
Next steps
- Run a reimbursement report for a device billed under J1071
- Watch J1071 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J1071
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 5: Mental, behavioral and neurodevelopmental disorders · All diagnoses · HCPCS lookup