Is F64.1 a billable ICD-10-CM code?

Yes. F64.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does F64.1 sit in the tabular list?

Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Disorders of adult personality and behavior (F60-F69).

What cannot be coded together with F64.1?

F64.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

F64.1

F64.1 — Dual role transvestism

Billable / specific codeICD-10-CM

F64.1 is a billable, specific ICD-10-CM code for dual role transvestism. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

gender identity disorder in childhood (F64.2)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

fetishistic transvestism (F65.1)

Use additional code

Add a secondary code to capture the detail described below.

code to identify sex reassignment status (Z87.890)

Risk adjustment

F64.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

F64.1 is named in 11 Medicare coverage policies — 9 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
A56865Billing and Coding: Psychiatric Inpatient Hospitalizationnot covered
A53793Billing and Coding: Sex Reassignment Services for Sexual Identity Dysphoria
A56937Billing and Coding: Psychiatry and Psychology Services

How F64.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F64.1.

Transvestism, transvestitism(dual-role)
Deviation›sexual›transvestism

Related codes at this level

Codes that share F64. If F64.1 is not quite right, the correct code is usually one of these.

Questions about F64.1

Is F64.1 a billable ICD-10-CM code?: Yes. F64.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does F64.1 sit in the tabular list?: Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Disorders of adult personality and behavior (F60-F69).
What cannot be coded together with F64.1?: F64.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.