F66 ICD-10-CM Code: Other sexual disorders

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

F66

Other sexual disorders

ICD-10-CM diagnosis code · United States clinical modification

Where F66 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

    Disorders of adult personality and behavior (F60-F69)

  3. 3

    Category F66

    Other sexual disorders

  4. 4

    Code F66

    Other sexual disorders

Notes for this code

Inclusion terms

  • Sexual maturation disorder
  • Sexual relationship disorder

Code first

No “code first” instruction is listed for F66.

Use additional code

No “use additional code” instruction is listed for F66.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for F66.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for F66.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code F66 mean?

F66 is the FY 2027 U.S. ICD-10-CM code for “Other sexual disorders.”

Is F66 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, F66 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is F66 located in ICD-10-CM?

F66 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Disorders of adult personality and behavior (F60-F69) (F60–F69), under category F66, Other sexual disorders.

What coding notes are listed for F66?

Its listed inclusion terms are Sexual maturation disorder; Sexual relationship disorder. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.