This test measures the level of lactate dehydrogenase (LDH), also known as lactic acid dehydrogenase, 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
An LDH test is most often used to:
You may need this test if other tests and/or your symptoms indicate you have tissue damage or disease. Symptoms will vary depending on the type of tissue damage you have.
You may also need an LDH test if you are currently being treated for cancer
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