Other sexual disorders
In Disorders of adult personality and behavior (F60-F69), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders
- F66 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under F60-F69 below.
- As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
- Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
- AHRQ's Chronic Condition Indicator classes it as not chronic (an acute or short-term condition).
Also indexed as: Disorder, gender-identity or -role, effect on relationship; Disorder, gender-identity or -role, uncertainty; Disorder, psychological, associated with, sexual, development; Disorder, psychological, associated with, sexual, relationship; Disorder, psychosexual, development; Disorder, relationship, due to sexual orientation; Disorder, sexual, maturation; Disorder, sexual, relationship; Problem, marital, involving, gender identity; Problem, psychosexual
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Instructional notes
Includes: conditions that are coded here
- Sexual maturation disorder
- Sexual relationship disorder
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers psychological pain disorders, substance use, abuse, dependence and remission, factitious disorder including Munchausen by proxy, and dementia severity.
- Pain disorders related to psychological factors (page 43)
- Mental and behavioral disorders due to psychoactive substance use (page 43)
- Factitious Disorder (page 44)
- Dementia (page 45)
Other codes under F60-F69
Disorders of adult personality and behavior (F60-F69)
F66 MS-DRG
As the principal diagnosis, F66 groups to MS-DRG 887 (v44.0).
Related conditions
Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.
F66 is in Miscellaneous mental and behavioral disorders/conditions (MBD013, its default category), with 53 codes. Others in it:
- F06.8 Other specified mental disorders due to known physiological condition
- F07.9 Unspecified personality and behavioral disorder due to known physiological condition
- F09 Unspecified mental disorder due to known physiological condition
- F48.8 Other specified nonpsychotic mental disorders
- F48.9 Nonpsychotic mental disorder, unspecified
- F52.0 Hypoactive sexual desire disorder
- F52.1 Sexual aversion disorder
- F52.21 Male erectile disorder
Medicare coverage articles listing F66
These 7 Medicare billing and coding articles list F66 as a diagnosis that supports medical necessity for the services they cover. From the CMS Medicare Coverage Database; check your own contractor's article before billing.
Other codes that refer to F66
Notes on these codes point to F66.
- F64.2 Excludes2: sexual maturation disorder (F66)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Mental Disorders
Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day..
Read more about mental disorders on MedlinePlusSexual Health
Sexuality is a big part of being human. Love, affection and sexual intimacy all play a role in healthy relationships. They also contribute to your sense of well-being. A number of disorders can affect the ability to have or enjoy sex in both men and women.
Read more about sexual health on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- 302.89 Other specified psychosexual disorders (approximate)