You usually start by seeing your GP if you have symptoms. Or your GP might arrange to see you if you have had an abnormal blood test result. They will ask you about any symptoms and examine you.
They will then decide whether to refer you for further tests or to a specialist.
See your GP if you notice a change that isn't normal for you or if you have any of the possible signs and symptoms of chronic leukaemia.
Your GP should refer you for an urgent blood test if your symptoms could be due to CLL.
There isn't a screening programme in the UK for chronic lymphocytic leukaemia (CLL). Read more about this.
You might have tests to diagnose CLL and throughout treatment to see how the treatment is working.