Is ICD-10-CM code F66 billable?

Yes, F66 (Other sexual disorders) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code F66 belong to?

F66 belongs to Chapter 5 of the ICD-10-CM tabular list: F01–F99 (Mental, Behavioral and Neurodevelopmental Disorders).

F66Billable

Mental, Behavioral and Neurodevelopmental Disorders·Disorders of adult personality and behavior (F60-F69)·category·FY 2026

Includes

Excludes2(Not included here. Code separately if applicable.)

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Includes

BillableHas subcodes

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

F60-F69Disorders of adult personality and behavior (F60-F69)

F66Other sexual disordersBillable

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement: