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ADHD Assessment Cost and Wait Time in Australia: 2026 Data

A cited comparison of ADHD assessment cost, Medicare rebate value and wait time in Australia, by provider type and pathway, drawn from the MBS fee schedule, a 2025 peer-reviewed clinic study, and 2026 university reporting.

Adults wait just over 10 weeks on average for a first ADHD assessment appointment in Australia, and total assessment costs average close to $1,400, according to 2026 University of Wollongong reporting on the state of ADHD services nationally. The rest of this comparison sources that headline pair of numbers, breaks them down by pathway, and puts them next to the Medicare rebates that offset part of the cost.

Cost by pathway: psychologist vs psychiatrist vs paediatrician

The University of Wollongong's 2026 reporting put the average initial adult assessment cost at more than $530 without any rebate, with the full assessment (across all sessions, whichever provider type) averaging nearly $1,400 nationally and reaching almost $4,000 in some cases. Children's total costs were described as comparable to adults'. That figure blends the psychologist and psychiatrist pathways rather than separating them, because most full assessments involve more than one appointment and sometimes more than one provider type: a GP referral, a diagnostic session or two, and often a follow-up for the written report.

On the Medicare side, the two pathways are rebated very differently. A psychologist session for a patient under 25 that contributes to diagnosing a complex neurodevelopmental condition is rebated 85 percent under item 82000 ($101.55 on a $119.45 fee), capped at 8 services in a lifetime across the related item group. A psychiatrist attendance longer than 45 minutes with a GP referral is rebated 85 percent under item 291 ($467.45 on a $549.90 fee) when it includes a mental health management plan, or under item 296 ($268.90 on a $316.30 fee) as a first referred attendance without that framing. There is no equivalent uncapped, all-ages Medicare item specifically for a psychologist-led ADHD diagnostic assessment; above age 25, or once the item-82000 cap is used, most psychologist assessment sessions are billed privately.

Wait time by setting: public vs private

The clearest public-system data point available is the ACT's: the ACT Government's Adult Community Mental Health Services stopped accepting new adult ADHD assessment referrals from 1 October 2025, after a May 2025 ministerial brief put the public wait at over 24 months. That is the most extreme documented figure and specific to one territory's public adult service, not a national public-system average, since most states do not publish an equivalent wait figure for ADHD specifically.

On the private side, the University of Wollongong's 2026 reporting found an average wait of just over 10 weeks for an adult's first appointment nationally, with some waits extending to a year, and an average of 19 weeks for a child's first appointment, with some families waiting up to two years. A separate, smaller peer-reviewed study of one private Australian clinic (68 adults referred by GPs between January 2023 and October 2024, published in European Psychiatry in 2025) found a mean wait of about 4 months (112 days) from referral to diagnosis at that clinic, with nearly 30 percent of patients waiting more than 4 months. That figure describes one clinic's patients, not a national average, and it should not be read as contradicting the national 10-week figure so much as showing that individual clinics can run well above the national mean.

The same national 2026 reporting also found a workforce access constraint behind these waits: only 59 percent of clinicians contacted responded within two calls, and fewer than half had any availability to book an assessment at all, against a workforce of roughly 125 psychologists, 16 psychiatrists and 7 paediatricians per 100,000 Australians.

Methodology and scope

This page compiles publicly available figures from three sources: MBS item fees and rebates, fetched directly from the official Medicare Benefits Schedule; national cost and wait-time figures from University of Wollongong's 2026 reporting; and a single-clinic wait-time study published in European Psychiatry in 2025. It does not include our own transaction or listing data, we hold none. Every figure above states its own scope (national average vs one clinic vs one territory's public system) and none should be read outside that scope. Medicare fees are current as published on the official schedule at the time of writing and are indexed periodically by Services Australia; check the linked MBS item pages for the current fee before relying on an exact dollar figure.

Common questions

Sources

• University of Wollongong: A 12-month wait and a $1,400 bill
• Mendonsa & Jayasooriya, European Psychiatry (2025): wait times at one private Australian clinic
• Medicare Benefits Schedule: item 291
• Medicare Benefits Schedule: item 296
• Medicare Benefits Schedule: item 82000
• The Canberra Times: ACT government stops taking on ADHD assessments for adults

Related reading

• The psychologist pathway to ADHD assessment
• The psychiatrist pathway: assessment and medication
• Medicare rebates for ADHD assessment explained