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Blood tests

Your consultant may order a blood test following a consultation or as part of your treatment pathway with us. Please note we only perform bloods tests for our current patients or those attending one of our diagnostic clinics.

What is a blood test?

A blood test is a collection of experiments on a sample of your blood which are analysed in a laboratory. We use them to look for cancerous cells and substances indicative of cancer, or to see how certain body organs are functioning, such as the kidneys or liver.

Blood tests are simple procedures. Your consultant or a nurse will insert a needle into one of your veins, usually in your arm or elbow, and a small amount of blood is extracted into a small bottle. The contents are then sent off to be analysed and the results sent back to your consultant.

Your consultant may suggest a blood test to diagnose a cancer, monitor how your cancer is responding to treatment, or check whether a cancer has come back. It could also be part of a general health check.

We’re open and continuing to diagnose and treat without delay. Additional measures are in place throughout our centres to ensure your safety during your visit.

Why do I need a blood test?

Blood tests can be used to help diagnose many different types of cancers, and your consultant may recommend a blood test if you have:

What blood tests are there for cancer?

There are different types of blood tests and you may need more than one. These include:

  • PSA (prostate-specific antigen) for prostate cancer
  • AFP (alpha-fetoprotein) for germ cell tumours and some primary liver cancers
  • CA125 for ovarian cancer
  • CA15-3 for breast cancer

Your consultant may suggest other blood tests depending on your symptoms. This could be to look at your chromosomes or other substances such as hormones.

What happens at a blood test?

You’ll usually need no preparation for a blood test for cancer, but in some instances your consultant may ask you to fast before your appointment. Your consultant will discuss this with you when your test is booked.

You’ll either lie or sit down for your test. Your consultant or a nurse will place a tight band around your arm above the area your sample will be taken from. They’ll clean your skin with an antiseptic wipe and insert a small needle attached to a syringe into your vein – you may need to clench your fist to make it easier for them to find a vein. Then they’ll draw out the blood samples.

You may feel a slight scratch as the needle goes in but it shouldn’t be too painful. If you’re afraid of needles or feel unwell at the sight of blood, please let us know beforehand. Very occasionally people may feel faint or dizzy during the test or just after. If this happens inform the consultant or nurse.

The overall procedure should only last a few minutes and a dressing will be applied to the area to help prevent any further bleeding or bruising afterwards.

You may be able to get your blood results on the same day as your test. However, in some cases you’ll have to wait a little longer. We will let you know your results as fast as we can so you can have peace of mind or start planning the next steps of your care as soon as possible.

Make an enquiry

Contact us today if you have any questions or want to know more about private cancer care at GenesisCare. Call us on 0808 1569 565 or complete the form below.
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