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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.
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.
This test measures the rate at which reticulocytes (immature red blood cells) are made in the bone marrow and enter the bloodstream. A reticulocyte count can provide information about a child's anemia.
The T3 total test is part of an evaluation of thyroid function. It's particularly useful in diagnosing hyperthyroidism, which can cause symptoms such as a fast heart rate, weight loss, trembling and sweating.
