- F00
- Organic Mental Disorders
Dementia in Alzheimer's Disease (F00)
DSM-5-TR: Major Neurocognitive Disorder Due to Alzheimer Disease
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
- Subcodes4 subcodes
- Australian PrevalenceAlzheimer's disease accounts for approximately 50-70% of all dementia cases in Australia.
- Global PrevalenceMost common cause of dementia worldwide, accounting for 60-70% of cases.
Overview
Alzheimer's disease is a primary degenerative cerebral disease of unknown aetiology with characteristic neuropathological and neurochemical features. The disease is insidious in onset with slow but steady deterioration.
ICD-10-AM Subcodes
| Code | Name | Description |
|---|---|---|
| F00.0 | Early onset | Onset before age 65. |
| F00.1 | Late onset | Onset at age 65 or after. |
| F00.2 | Atypical or mixed type | Atypical presentations or mixed Alzheimer and vascular dementia. |
| F00.9 | Unspecified | Onset or type unspecified. |
Classification Boundaries
Includes
- Alzheimer's dementia
- Primary degenerative dementia of the Alzheimer type
Excludes1 (coded elsewhere)
- Senility NOS (R54)
Australian Clinical Context
Dementia is a national health priority in Australia. Dementia Australia provides support. Approximately 400,000 Australians live with dementia. The Australian Government funds dementia-specific programs including ACAT assessments and support packages.
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. Specialist psychiatry, geriatric medicine, and aged care pathways apply. NDIS or aged care packages may provide additional support.
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
Document cognitive domains affected, stage, behavioural symptoms, and functional impact.
Related Diagnostic Codes
ICD-10-AM diagnostic codes commonly associated with the Dementia in Alzheimer's Disease (F00).
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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