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Ceruloplasmin is a copper-containing protein. This article discusses the test to measure the level of this protein in the clear liquid part of the blood (serum).
A blood sample is needed. This may be taken from a vein. The procedure is called a venipuncture.
No fasting or other preparation is usually needed.
When the needle is inserted to draw blood, you may feel moderate pain, or only a prick or stinging sensation. Afterward, there may be some throbbing.
Your health care provider may order this test if you have signs or symptoms of a copper metabolism or copper storage disorder.
Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
Lower-than-normal ceruloplasmin levels may be due to:
Higher-than-normal ceruloplasmin levels may be due to:
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
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