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Blood Tests

test tubes containing blood

Blood tests are taken in the mornings only and are sent to the hospital laboratory via a courier system. 

A blood test is when a sample of blood is taken for testing in a laboratory. Blood tests have a wide range of uses and are one of the most common types of medical test. For example, a blood test can be used to:

  • assess your general state of health
  • confirm the presence of a bacterial or viral infection
  • see how well certain organs, such as the liver and kidneys, are functioning

A blood test usually involves the phlebotomist taking a blood sample from a blood vessel in your arm and the usual place for a sample is the inside of the elbow or wrist, where the veins are relatively close to the surface. Blood samples from children are most commonly taken from the inside of the elbow. The inside of the child's elbow will be anaesthetised (numbed) with a special cream before the sample is taken.  If you require Emla cream for your child, kindly contact the surgery to arrange for a prescription to be issued.

Please note if you are have a Fasting Blood test you should not eat and only drink water for 14 hours before the test unless you are insulin dependant and then you should not eat and only drink water for 12 hours before the test.

You can find out more about blood tests, their purpose and the way they are performed on the NHS Choices website.

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