Diagnostic tests
Biopsy
A biopsy helps your doctor diagnose a medical condition. Find out more about what they are, different types of biopsies, and why you need a biopsy.
Colonoscopy
During a colonoscopy, a tube is inserted into the anus to view the inside of the large bowel to help diagnose or treat some medical conditions.
CT scan
A computed tomography (CT) scan is a 3D image of your body. It’s generated by a machine that moves around you. Learn more about CT scans here.
Electrocardiogram (ECG)
To find out how well your heart is working, your doctor may ask you to have an electrocardiogram (ECG). Learn more about it and why you may need an EC...
Electroencephalogram (EEG)
An electroencephalogram, or EEG, measures brain activity to diagnose or monitor conditions such as epilepsy. Learn more about this diagnostic test.
Gastroscopy
A gastroscopy is a procedure to look inside your oesophagus (food pipe) and stomach. Find out what happens during a gastroscopy and when it is done.
Eye tests
Regular eye tests can pick up problems before you have any symptoms. You don’t need a referral to see an optometrist. Learn more about eye tests.
Hearing test
Hearing tests can detect and measure the severity of hearing loss. Find out who needs a hearing test and what types of hearing tests can be done.
MRI scan
An MRI scan uses magnets, radio waves, and a computer to image your body's soft tissues. Read about benefits, process, and potential complications.
PET scan
A positron emission tomography (PET) scan is an imaging test used to diagnose certain diseases. Find out what the scan involves and how it works.
Ultrasound
An ultrasound scan creates a real-time picture of the inside of the body using sound waves. Learn about uses, types, and preparation for ultrasounds.
X-rays
An x-ray uses radiation to create a picture of the inside of your body. The x-ray beam is absorbed differently by body structures to create the image.
