Strep B Test

What is a group B strep test? Strep B, also known as group B strep (GBS), is a type of bacteria commonly found in the digestive tract, urinary tract, and genital area. It rarely causes symptoms or problems in adults but can be deadly to newborns. In women, GBS is mostly found in the vagina … Read more

Homocysteine Test

What is a homocysteine test? A homocysteine test measures the amount of homocysteine in your blood. Homocysteine is a type of amino acid, a chemical your body uses to make proteins. Normally, vitamin B12, vitamin B6, and folic acid break down homocysteine and change it into other substances your body needs. There should be very … Read more

Lipase Tests

What is a lipase test? Lipase is a type of protein made by your pancreas, an organ located near your stomach. Lipase helps your body digest fats. It’s normal to have a small amount of lipase in your blood. But, a high level of lipase can mean you have pancreatitis, an inflammation of the pancreas, … Read more

Triiodothyronine (T3) Tests

What is a triiodothyronine (T3) test? This test measures the level of triiodothyronine (T3) in your blood. T3 is one of two major hormones made by your thyroid, a small, butterfly-shaped gland located near the throat. The other hormone is called thyroxine (T4.) T3 and T4 work together to regulate how your body uses energy. … Read more

Electromyography (EMG) and Nerve Conduction Studies

What are electromyography (EMG) and nerve conduction studies? Electromyography (EMG) and nerve conduction studies are tests that measure the electrical activity of muscles and nerves. Nerves send out electrical signals to make your muscles react in certain ways. As your muscles react, they give off these signals, which can then be measured. An EMG test … Read more

Liver Function Tests

What are liver function tests? Liver function tests (also known as a liver panel) are blood tests that measure different enzymes, proteins, and other substances made by the liver. These tests check the overall health of your liver. The different substances are often tested at the same time on a single blood sample, and may … Read more

Bilirubin Blood Test

What is a bilirubin blood test? A bilirubin blood test measures the levels of bilirubin in your blood. Bilirubin is a yellowish substance made during the body’s normal process of breaking down red blood cells. Bilirubin is found in bile, a fluid in your liver that helps you digest food. If your liver is healthy, … Read more

Gamma-glutamyl Transferase (GGT) Test

What is a gamma-glutamyl transferase (GGT) test? A gamma-glutamyl transferase (GGT) test measures the amount of GGT in the blood. GGT is an enzyme found throughout the body, but it is mostly found in the liver. When the liver is damaged, GGT may leak into the bloodstream. High levels of GGT in the blood may … Read more

Blood Glucose Test

What is a blood glucose test? A blood glucose test measures the glucose levels in your blood. Glucose is a type of sugar. It is your body’s main source of energy. A hormone called insulin helps move glucose from your bloodstream into your cells. Too much or too little glucose in the blood can be … Read more

Hemoglobin Test

What is a hemoglobin test? A hemoglobin test measures the levels of hemoglobin in your blood. Hemoglobin is a protein in your red blood cells that carries oxygen from your lungs to the rest of your body. If your hemoglobin levels are abnormal, it may be a sign that you have a blood disorder. Other … Read more

Lipoprotein (a) Blood Test

What is a lipoprotein (a) blood test? A lipoprotein (a) test measures the level of lipoprotein (a) in your blood. Lipoproteins are substances made of protein and fat that carry cholesterol through your bloodstream. There are two main types of cholesterol: High-density lipoprotein (HDL), or “good” cholesterol Low-density lipoprotein (LDL), or “bad” cholesterol. Lipoprotein (a) … Read more

Complete Blood Count (CBC)

What is a complete blood count? A complete blood count or CBC is a blood test that measures many different parts and features of your blood, including: Red blood cells, which carry oxygen from your lungs to the rest of your body White blood cells, which fight infection. There are five major types of white … Read more

White Blood Count (WBC)

What is a white blood count (WBC)? A white blood count measures the number of white cells in your blood. White blood cells are part of the immune system. They help your body fight off infections and other diseases. When you get sick, your body makes more white blood cells to fight the bacteria, viruses, … Read more

Cortisol Test

What is a cortisol test? Cortisol is a hormone that affects almost every organ and tissue in your body. It plays an important role in helping you to: Respond to stress Fight infection Regulate blood sugar Maintain blood pressure Regulate metabolism, the process of how your body uses food and energy Cortisol is made by … Read more

DHEA Sulfate Test

What is a DHEA sulfate test? This test measures the levels of DHEA sulfate (DHEAS) in your blood. DHEAS stands for dehydroepiandrosterone sulfate. DHEAS is a male sex hormone that is found in both men and women. DHEAS plays an important role in making the male sex hormone testosterone and the female sex hormone estrogen. … Read more