Histamine is released from activated mast cells, often in an allergic response. Histamine tests measure it in blood or urine to confirm that a person has had an anaphylactic reaction or to help diagnose mastocytosis.
Gastrointestinal (GI) pathogen panels are used to simultaneously test for the presence of multiple disease-causing microbes in a stool sample and help diagnose an infection of the digestive system (GI tract).
Gastrin is a hormone that regulates the production of acid in the stomach during the digestive process. The gastrin test helps diagnose tumors called gastrinomas, Zollinger-Ellison (ZE) syndrome, and hyperplasia of G-cells.
West Nile virus causes a viral infection and is transmitted to humans primarily by mosquitoes. Learn about when testing is used and interpreting test results.
Toxoplasma gondii is a parasite that can cause severe complications in pregnant women and people with a weakened immune systems. Toxoplasmosis testing detects an infection so it can be treated.
Thyroid Antibodies testing can help determine if your immune system and thyroid are functioning properly. It’s often used to diagnose Graves’ disease or Hashimoto’s thyroiditis.
