F66 — Other sexual disorders
Is F66 billable?
Yes — F66 is billable for FY2027. F66 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. F66 may be submitted for encounters from October 1, 2026 through September 30, 2027.
F66 at a glance
| Code | F66 |
|---|---|
| Description | Other sexual disorders |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does F66 group to?
F66 sits in MDC 19 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 887Other Mental Disorder Diagnosesmedical
How is F66 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to F66. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Problem › psychosexual (with) (related to)
- Disorder › gender-identity or -role › effect on relationship (of)
- Disorder › gender-identity or -role › uncertainty (of)
- Disorder › psychosexual › development (of)
- Disorder › relationship › due to sexual orientation (of)
- Disorder › sexual › maturation (of)
- Disorder › sexual › relationship (of)
- Problem › marital › involving › gender identity (with) (related to)
- Disorder › psychological › associated with › sexual › development (of)
- Disorder › psychological › associated with › sexual › relationship (of)
Inclusion terms
Alternative wording in documentation that is classified to F66.
- Sexual maturation disorder
- Sexual relationship disorder
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F66, but a patient may have both at the same time. When documentation supports it, F66 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
How long has F66 existed?
F66 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.