ICD-10 F66
Billable / SpecificOther sexual disorders
About ICD-10-CM F66
ICD-10-CM code F66 represents Other sexual disorders. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F66). The 2026 edition of ICD-10-CM F66 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F66. Per CMS ICD-10-CM Tabular 2026.
- Sexual maturation disorder
- Sexual relationship disorder
Medicare LCD Coverage for F66
Local Coverage Determinations (LCDs) from CMS MACs that list F66 as a covered diagnosis.
Showing top 10 of 145 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F66.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with F66
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert F66 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| F66 | 30289 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F66
Other codes in section F60-F69 (Disorders of adult personality and behavior).
ICD-10 F66, Billing FAQ
Is ICD-10 code F66 billable? +
Yes, F66 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to F66? +
ICD-10 F66 includes: Sexual maturation disorder; Sexual relationship disorder.
What ICD-9 codes does F66 map to? +
Per CMS GEMs, F66 maps to ICD-9 codes: 30289. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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