Why get tested?
To measure the amount of caeruloplasmin in the blood; to help diagnose Wilson’s disease; sometimes to help identify other conditions associated with copper deficiencies

When to get tested?
When you have jaundice, fatigue, abdominal pain, behavioural changes, tremors, or other symptoms that your doctor thinks may be due to Wilson’s disease or, rarely, to copper deficiency; at intervals when monitoring is recommended

Sample required?
A blood sample drawn from a vein in your arm