- F06
- Organic Mental Disorders
Other Mental Disorders Due to Brain Damage and Dysfunction and to Physical Disease (F06)
DSM-5-TR: Psychotic Disorder / Mood Disorder / Anxiety Disorder Due to Another Medical Condition
ICD-10-AM and DSM-5-TR may classify conditions differently. Refer to APA and WHO for complete diagnostic criteria.
Key Facts
- ICD-10 RangeF00-F09
- Subcodes10 subcodes
Overview
Conditions with cerebral dysfunction due to primary brain disease, systemic disease affecting the brain, exogenous toxic substances or hormones, endocrine disorders, or other somatic illnesses.
ICD-10-AM Subcodes
| Code | Name | Description |
|---|---|---|
| F06.0 | Organic hallucinosis | Persistent or recurrent hallucinations in clear consciousness without delusional elaboration. |
| F06.1 | Organic catatonic disorder | Diminished or increased psychomotor activity associated with catatonic symptoms due to organic cause. |
| F06.2 | Organic delusional disorder | Persistent or recurrent delusions dominating the clinical picture due to organic cause. |
| F06.3 | Organic mood disorders | Depression, mania, or bipolar-type disorders due to organic cause. |
| F06.4 | Organic anxiety disorder | Anxiety disorder with identifiable organic aetiology. |
| F06.5 | Organic dissociative disorder | Dissociative symptoms with identifiable organic aetiology. |
| F06.6 | Organic emotionally labile disorder | Emotional lability and fatigue due to organic cause. |
| F06.7 | Mild cognitive disorder | Cognitive impairment below dementia threshold associated with systemic illness. |
| F06.8 | Other specified mental disorders due to brain damage | Other specified presentations. |
| F06.9 | Unspecified mental disorder due to brain damage | Type unspecified. |
Classification Boundaries
Includes
- Organic hallucinosis
- Organic catatonic disorder
- Organic delusional disorder
- Organic mood disorder
- Organic anxiety disorder
- Mild cognitive disorder
Excludes1 (coded elsewhere)
- Disorders associated with delirium (F05)
- Disorders associated with dementia (F00-F03)
Australian Clinical Context
Includes psychiatric presentations secondary to thyroid disorders, autoimmune encephalitis, epilepsy, and other systemic conditions. Always investigate organic causes for new-onset psychiatric symptoms.
Medicare (MBS) Pathways
Specialist Referral Pathway
Conditions in this category do not have a structured allied health Medicare pathway. Treatment is typically managed through specialist psychiatrist or physician consultations, with additional support through state/territory services or NDIS.
No structured session limit — standard specialist consultation items apply
| Provider Type | MBS Items | Session Type |
|---|---|---|
| Psychiatrist | 291, 296–299, 300–308 | Psychiatric consultation |
| Geriatrician / Physician | Standard specialist consultation items | Specialist medical consultation |
GP referral items: Standard GP referral to specialist
Eligibility: Referral to specialist required. No structured allied health pathway under Medicare for these conditions.
Not covered by Better Access. Comorbid mental health conditions (e.g. depression secondary to brain injury) may be treated under Better Access if independently diagnosed.
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
Code the underlying medical condition first. Use the most specific F06 subcode reflecting the clinical presentation. Exclude substance-induced causes before applying this code.
Related Diagnostic Codes
ICD-10-AM diagnostic codes commonly associated with the Other Mental Disorders Due to Brain Damage and Dysfunction and to Physical Disease (F06).
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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