What is a ceruloplasmin test?This test measures the amount of ceruloplasmin in your blood. Ceruloplasmin is a protein that is made in the liver. It stores and carries copper from the liver into the bloodstream and to the parts of your body that need it.Copper is a mineral that is found in several foods, including nuts, chocolate, mushrooms, shellfish, and liver. It is important to many body functions, including building strong bones, producing energy, and making melanin (the substance that gives skin its color). But if you have too much or too little copper in your blood, it can be a sign of a serious health problem.Other names: CP, ceruloplasmin blood test, ceruloplasmin, serum
