Blood Tests Directory
Blood tests are laboratory tests that analyze various parts of your blood. The blood is usually extracted from a vein or from a finger tip via a finger prick. The blood tests can analyze physiological and chemical balances in the body and can determine types of diseases a person may have, how effective drugs are and organ function.
What Is a Blood Urea Nitrogen Test?
Your doctor may order a blood urea nitrogen test, also known as BUN test, to see how well your kidneys are working.
Low White Blood Cell Count
Find out what this test measures, what's "normal," common reasons results aren't that, what it could mean, and what you can do about it.
What Is a Bilirubin Test?
A bilirubin test can help diagnose or monitor problems in your blood or liver. Learn why you might need the test and what your doctor can learn from the results.
What Is an Ammonia Test?
Ammonia is a powerful household cleaner. It’s also a waste product made by your body. Learn why your doctor might order an ammonia test and what your results could mean.