Medically reviewed by Kelly Wood, MDKey TakeawaysThyroid blood tests help figure out how well your thyroid gland is ...

Pituitary tumors are atypical growths that develop in the pituitary gland. They are typically noncancerous. Doctors often use blood tests as a first step in diagnosing pituitary tumors. The pituitary ...

Medically reviewed by Femi Aremu, PharmD A creatine kinase (CK) test measures the levels of the enzyme in your blood.If you have high CK levels, this can be a sign of damage to the muscles, heart, or ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

A blood test conducted in a prehospital setting may rapidly distinguish between ischemic and hemorrhagic stroke, potentially facilitating more rapid, targeted treatment. The test measures the levels ...

Type 2 diabetes is diagnosed by testing your blood glucose (sugar) levels. These tests, such as the fasting plasma glucose test and the A1C blood test, are usually done in a healthcare provider's ...

What Does a Hematocrit Test Measure? A hematocrit test is a blood test that measures the level of red blood cells in your blood. Your blood is made up of plasma and blood cells. Plasma is the liquid ...

A new type of blood test could help detect multiple cancers early. A team of researchers in California studied a new multi-cancer early detection (MCED) test called Galleri, which can reportedly ...

Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

A new type of blood test could help detect multiple cancers early. A team of researchers in California studied a new multi-cancer early detection (MCED) test called Galleri, which can reportedly ...

Blood sugar checks are essential for the diagnosis and treatment of every form of diabetes. “Glucose monitoring is critical for preventing short-term and long-term complications of diabetes,” says ...