Lactate Dehydrogenase (LDH) Test
Lactate Dehydrogenase (LDH) Test FAQ
What is a lactate dehydrogenase test?
Why is an LDH test important?
What type of specimen will I submit?
Do I need to fast to take this test?
How long does it take to get test results?
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LDH Blood Test - More Information
The lactate dehydrogenase test, sometimes known as an LDH blood test, LD lab test and an LDH test, checks the lactate dehydrogenase blood level.
Lactate dehydrogenase (LD or LDH) is an enzyme that, in normal situations, helps a molecule called pyruvate convert into lactate. LD helps reduce muscle fatigue by regenerating energy to active muscles. In the setting of muscle damage, particularly heart muscle and blood cells, LDH is released by cells and tissues and blood levels go up. Additionally, high lactate dehydrogenase levels can be seen in cancer, chronic medical conditions such as lung or liver disease, and situations where red blood cells (RBCs) are breaking down. This LDH blood test is sometimes ordered at the same time as the creatine kinase test.
To get an LDH blood test near you, order online and get your blood drawn at the Quest Diagnostics lab that you selected. Once your lactate dehydrogenase lab report is ready, it will be available for download. As can be seen on the sample LDH lab results, the LD blood level will be reported as a number and can be compared against the reference range provided by the lab.
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