Chronic myeloid leukaemia (CML)
Many people with CML won't have any symptoms at diagnosis. You might see your GP because they have noticed an abnormality in a routine blood test for something else.
If you have symptoms you usually start by seeing your GP first. They will ask you about your symptoms and usually examine you.
The GP will then decide whether to send you for further tests or refer you to see a specialist.
You usually start by seeing your GP if you have symptoms. Find out what happens when you see your GP and how to get the most out of your appointment.
Many people with chronic myeloid leukaemia won't have any symptoms. Your GP should refer you to have a blood test or see a blood specialist if they think you might have CML.
There is no national screening programme for chronic myeloid leukaemia (CML) in the UK.
Your doctor may suspect or sometimes diagnose CML from a blood test. You then have more tests to confirm your diagnosis and find out more about your CML.
Your doctors does tests on your blood and bone marrow to look for changes in certain genes. Find out about the different types they do.
Last reviewed: 04 Jun 2025
Next review due: 04 Jun 2028

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