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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.
Medical Reference
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What Is a Ferritin Blood Test? What Do the Results Mean?
A ferritin blood test shows how much iron is stored in your body. Find out why you might need this test and how it’s done.
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What Is a Lactate Dehydrogenase (LDH) Test?
The lactate dehydrogenase (LDH) test has a wide range of uses. Learn what they are and what the results can tell you about your health.
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What Is an Immunoglobulin Test?
An immunoglobulin test checks how well your immune system works. Learn why you might need this test.
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The Prostate-Specific Antigen (PSA) Blood Test
The prostate specific antigen (PSA) test is used to measure blood PSA levels and help detect prostate cancer or other prostate abnormalities. Learn more about the PSA blood test at WebMD.