Tests
Cardiac Troponin I/T (cTnI, cTnT)
Blood proteins released when heart muscle is injured; the primary laboratory marker in the evaluation of possible acute myocardial infarction.
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Tests
Blood proteins released when heart muscle is injured; the primary laboratory marker in the evaluation of possible acute myocardial infarction.
Tests
This test looks for CCP (cyclic citrullinated peptide) antibodies in your blood. CCP antibodies, also called anti-CCP antibodies, are a type of antibody called autoantibodies. Antibodies and autoantibodies are proteins made by the immune system :
Tests
A CD4 count is a blood test that measures the number of CD4 cells in a sample of your blood. CD4 cells are a type of white blood cell that circulates throughout the body in the blood. They're also called CD4 T lymphocytes or "helper T cells." That's because they help fight infection by triggering your immune system to destroy viruses, bacteria, and other germs that may make you sick.
Tests
A laboratory blood test to measure carcinoembryonic antigen (CEA), a protein found in many types of cells, but is associated with tumors. Used as a tumor marker.
Tests
A celiac disease screening is a blood test that looks for signs that you may have celiac disease , an autoimmune disorder that causes a serious allergic reaction to gluten. Gluten is a protein found in wheat, barley, rye and other grains. It may also be found in other products like vitamins and supplements , hair and skin products, toothpaste, and lip balm.
Tests
A ceruloplasmin test measures the amount of ceruloplasmin in a sample of your blood. Your liver makes ceruloplasmin by attaching copper to a protein. Your liver releases the ceruloplasmin into your bloodstream so it can carry copper to the parts of your body that need it.
Tests
A measurement of the complement required to lyse 50 percent of red blood cells in a biological specimen.
Article
Research record from HLA, 2026-08-01. PMID 42647814.
Article
Research record from Anal Bioanal Chem, 2026-04-28. PMID 42047790.
Article
Research record from Forensic Toxicol, 2026-03-16. PMID 41838278.
Tests
A chloride blood test measures the amount of chloride in your blood. Chloride is a type of electrolyte. Electrolytes are electrically charged minerals that help control the amount of fluids and the balance of acids and bases (pH balance) in your body. You have electrolytes in your blood, urine, tissues, and other body fluids.
Tests
A test of liver function that measures the clearance of orally-administered cholate to provide an assessment of portal blood flow and IV-administered cholate to provide an assessment of systemic blood flow.