Lactate Dehydrogenase (LDH) Test
What is a lactate dehydrogenase (LDH) test?
This test measures the level of lactate dehydrogenase (LDH), also known as lactic acid, in your blood or sometimes in other body fluids. LDH is a type of protein, known as an enzyme. LDH plays an important role in making your body's energy. It is found in almost all the body's tissues, including those in the blood, heart, kidneys, brain, and lungs.
When these tissues are damaged, they release LDH into the bloodstream or other body fluids. If your LDH blood or fluid levels are high, it may mean certain tissues in your body have been damaged by disease or injury.
Other names: LD test, lactic dehydrogenase, lactic acid dehydrogenase
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