- F66
- Personality Disorders
Psychological and Behavioural Disorders Associated with Sexual Development and Orientation (F66)
DSM-5-TR: No DSM-5-TR equivalent (removed)
ICD-10-AM and DSM-5-TR may classify conditions differently. Refer to APA and WHO for complete diagnostic criteria.
Key Facts
- ICD-10 RangeF60-F69
- Subcodes5 subcodes
Overview
This category covers psychological distress related to uncertainty about sexual orientation or sexual development. Importantly, sexual orientation itself (whether heterosexual, homosexual, or bisexual) is not considered a disorder.
ICD-10-AM Subcodes
| Code | Name | Description |
|---|---|---|
| F66.0 | Sexual maturation disorder | Uncertainty about gender identity or sexual orientation causing anxiety or depression. |
| F66.1 | Egodystonic sexual orientation | Gender identity or sexual orientation is not in doubt but the individual wishes it were different. |
| F66.2 | Sexual relationship disorder | Gender identity or sexual preference abnormality is responsible for difficulties in forming or maintaining a relationship. |
| F66.8 | Other psychosexual development disorders | Other specified psychosexual development disorders. |
| F66.9 | Psychosexual development disorder, unspecified | Unspecified psychosexual development disorder. |
Classification Boundaries
Includes
- Sexual maturation disorder
- Egodystonic sexual orientation
- Sexual relationship disorder
Excludes1 (coded elsewhere)
- Gender identity disorders (F64)
Australian Clinical Context
Sexual orientation is not classified as a disorder in Australian clinical practice. Conversion therapy is banned in several Australian jurisdictions. This code is retained in ICD-10-AM but is considered outdated. Affirming approaches are the standard of care.
Medicare (MBS) Pathways
Better Access to Mental Health Care
The primary Medicare pathway for mental health treatment in Australia. Requires a GP Mental Health Treatment Plan (MHTP) referral. Available for any clinically diagnosed mental disorder.
10 individual + 10 group sessions per calendar year
| Provider Type | MBS Items | Session Type |
|---|---|---|
| Clinical Psychologist | 80000–80025 | Psychological therapy (higher rebate) |
| Registered Psychologist | 80100–80123 | Focused psychological strategies |
| Occupational Therapist | 80125–80145 | Focused psychological strategies |
| Social Worker | 80150–80175 | Focused psychological strategies |
| Psychiatrist | 291, 296–299, 300–308 | Psychiatric consultation |
GP referral items: 2700, 2701, 2715, 2717
Eligibility: Any clinically diagnosed mental disorder as defined by WHO ICD-10 Chapter V. Requires a GP or psychiatrist referral.
Exclusions:
- Intellectual disability (use Complex Neurodevelopmental Disorder pathway or specialist referral)
- Dementia and organic mental disorders (use specialist referral pathway)
- Tobacco use disorder
Grounded Scribe suggests the right MBS item codes from your recording so you can claim accurately without re-keying.
Reference information sourced from MBS Online (mbsonline.gov.au). Item availability, rebates, and eligibility criteria may change. This is not billing advice — always verify current items before claiming. Last verified: April 2026.
Clinical Documentation Notes
This category is considered outdated and stigmatising. ICD-11 and DSM-5-TR have removed categories pathologising sexual orientation. Use only when required for ICD-10-AM coding. Affirming, non-pathologising clinical approaches are mandatory.
Related Diagnostic Codes
ICD-10-AM diagnostic codes commonly associated with the Psychological and Behavioural Disorders Associated with Sexual Development and Orientation (F66).
References
- World Health Organization. ICD-10-AM.
- American Psychiatric Association. DSM-5-TR. 2022.
This tool calculates scores based on published guidelines for professional reference. It does not provide clinical diagnoses. Scores are provided as reference information only and should be interpreted by a qualified practitioner in the context of a comprehensive assessment.
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