A blood test is when a sample of blood is taken for testing in a laboratory.
Blood tests are taken for many different reasons. For example, to:
Information and advice on Blood Tests
Find out how is a blood test normally taken for both adults and children, visit NHS Choices
Can I eat and drink before a blood test?
To find out visit NHS Choices
Range of Blood tests
Find out the full range of blood tests visit NHS Choices
Are there any complications from Blood Testing?
To find out more, visit NHS Choices