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Immunoglobulins (antibodies in the blood) can give doctors important information about the immune system, especially relating to infection or autoimmune disease.
Lactate dehydrogenase (also called lactic acid dehydrogenase, or LDH) is an enzyme found in almost all body tissues. The LDH test is generally used to screen for tissue damage.
In babies and young kids whose brains are still developing, even a small amount of lead can cause learning disabilities and behavioral problems. A lead test can determine the amount of lead in the blood.
Doctors do this test to assess blood levels of magnesium, which helps the muscles and nerves function, the heart maintain normal rhythm, the bones stay strong, and the body process energy and make proteins.
A partial thromboplastin time (PTT) test is used to evaluate blood's ability to clot. It may be done as part of an evaluation for a bleeding disorder or to monitor the effects of blood-thinning medicine.
