Proteins circulate throughout your blood to help your body maintain fluid balance. Albumin is a type of protein the liver makes. It’s one of the most abundant proteins in your blood. You need a proper ...

The Schilling test was a medical procedure used to determine whether you were absorbing vitamin B12 properly. Due to recent advances in laboratory techniques, the Schilling test is not currently used.

A thyroid-stimulating immunoglobulin (TSI) test is a blood test that can help diagnose Graves’ disease, an autoimmune condition that causes an overactive thyroid. A TSI test measures levels of TSIs in ...