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A CT angiogram uses contrast and CT to show blood vessels in detail. Learn what it shows, how to prepare for the contrast injection, and how Medicare applies.
Also called: CTA, CT angiography, CT angio, CT carotid angiogram, CT pulmonary angiogram
Find a clinic for your CT angiogram
28 clinics offer bulk billing for CT scan — eligibility varies
Where to get a CT angiogram
28 clinics across Melbourne and Victoria on Radly list CT angiogram among their services.
Clinics for a CT angiogram on Radly
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What is a CT angiogram?
A CT angiogram (CTA) is a CT scan timed to capture contrast as it flows through your blood vessels. It shows narrowing, blockages, aneurysms and clots in arteries of the head and neck, chest, abdomen or legs, depending on what your doctor requests.
A cannula is placed in your arm and contrast is injected quickly while the scan is taken. You may feel a warm flush or a sensation of needing to pass urine — this is normal and passes in seconds.
Why your doctor might request a CT angiogram
- Checking the carotid arteries in the neck after a mini-stroke
- Assessing an aortic aneurysm
- Suspected clot in the lungs (CT pulmonary angiogram)
- Poor circulation in the legs
- Checking the kidney arteries
CT angiogram: preparation, referral & Medicare
Preparing for your CT angiogram
- You'll usually be asked to fast for a couple of hours
- Mention kidney problems, diabetes medication and any previous contrast reactions
- A recent kidney function blood test may be needed
- Drink water after the scan unless told otherwise
- Tell staff if you are, or might be, pregnant
How long it takes: About 20–30 minutes
Referral, Medicare & bulk billing
A CT angiogram needs a referral. With a valid referral it generally attracts a Medicare rebate, and some clinics bulk bill — it varies by clinic and by the vessels being scanned. Coronary (heart) CT angiograms have their own stricter criteria. The clinic will confirm billing for your referral. Booking through Radly sends a request, and the clinic confirms the time with you.
How it works
Get your referral
Most scans need a referral from your GP, specialist, or other health practitioner.
Compare clinics
Find clinics near you for your CT angiogram and compare bulk billing, reviews, and location.
Send your request
Share your preferred timing and send the clinic your details and referral when available.
Clinic confirms
The clinic reviews your request and confirms your appointment and any preparation needed.
If the clinic hasn’t acknowledged your request after 24 hours, Radly will follow up. We check in by SMS during daytime hours where SMS is available and you haven’t opted out. Reply N if you haven’t been contacted and our team will follow up. Acknowledgment does not mean an appointment is booked.
CT angiogram FAQs
Is a CT angiogram safe?
It's a common, well-established test. The main considerations are the radiation dose, kidney function and any allergy to contrast, which the clinic checks beforehand.
Do I need to fast for a CT angiogram?
Usually for a couple of hours. The clinic will give you instructions.
Can I drive home afterwards?
Yes, in most cases. You can usually return to normal activities straight away.
How do I book a CT angiogram online?
Choose a clinic on Radly, select CT Scan as your scan, add your preferred timing and attach your referral, then send your booking request. The clinic contacts you to confirm the appointment and any preparation.
How soon can I get a CT angiogram?
Appointments for CT scan are usually 1–4 days, depending on the clinic and the exam. You can send a request on Radly at any time, and the clinic replies with its next available time.
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