From first GP appointment to diagnosis and beyond - a clear, honest walkthrough of what to expect, how long it takes, and what it costs.
Getting diagnosed with ADHD as an adult in Australia is not a quick process. It involves multiple appointments, at least two different healthcare providers, and - unless you're accessing the public system - some out-of-pocket cost. But it's navigable, and for most people, genuinely life-changing.
Here's exactly what the pathway looks like.
Your starting point. The GP assesses your presentation, rules out other causes (thyroid issues, anxiety, sleep disorders), and writes a referral to a psychiatrist or paediatrician. Bring notes on your symptoms and how long they've been present.
Your GP refers you to a psychiatrist. Public wait times range from several months to over a year depending on your state. Private psychiatrists are typically faster - expect 4 to 12 weeks. Your GP may be able to recommend specific providers.
Usually one to two sessions. The psychiatrist conducts a structured clinical interview, reviews your history (often including childhood), may use standardised questionnaires, and sometimes asks a family member or partner to provide observations. This is where the diagnosis happens.
The psychiatrist provides a written report and recommends a treatment approach. This may include medication, psychological support, or both. The report is sent to your GP.
Once diagnosed, most ongoing care shifts back to your GP under a shared care arrangement. Your GP manages prescriptions and monitoring, with periodic check-ins with the psychiatrist as needed.
Realistically, from your first GP appointment to a confirmed diagnosis, expect anywhere from two months (private, metropolitan) to eighteen months or more (public, regional). The wait for a private psychiatrist appointment is typically the longest part of the process.
Ask your GP to mark the referral as urgent if your symptoms are significantly impacting your work, relationships, or mental health. This can shorten public wait times in some cases.
Costs vary significantly depending on whether you go through the public or private system and which state you're in.
| Appointment | Public | Private (est.) |
|---|---|---|
| GP (standard consult) | Bulk-billed if eligible | $20–80 gap |
| Psychiatrist assessment (initial) | Free (long wait) | $300–600 gap |
| Psychiatrist follow-up | Free | $100–300 gap |
| Medication (PBS-listed) | $7–32/month | $7–32/month |
Medicare rebates apply to psychiatric consultations - the figures above are the out-of-pocket gap after the rebate. Costs vary by provider and location.
The psychiatric assessment is often the part people are most anxious about. Here's what typically happens:
You don't need to have been a "bad student" or disruptive child to be diagnosed as an adult. Many adults - particularly women - masked their symptoms effectively through school. A psychiatrist experienced with adult ADHD will understand this.
A diagnosis is the beginning, not the end. Most people find that understanding why they've struggled the way they have is genuinely relieving - even if the practical changes take time.
Treatment typically involves some combination of medication (stimulant or non-stimulant), psychological strategies (particularly cognitive behavioural therapy adapted for ADHD), and practical adjustments to your environment and routines.
"The diagnosis didn't change anything about my past. But it changed everything about how I understood it."
Your GP will manage ongoing prescriptions under shared care guidelines. ADHD medications in Australia are listed on the PBS, which keeps costs manageable once you're in the system.
The process takes time. But for most people who've spent years wondering what's wrong, it's time well spent.
A 2-minute screener based on the WHO-validated ASRS-v1.1. Get a printable summary to bring to your GP.
Start the screener →