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LDH, TOTAL (LACTATE DEHYDROGENASE)

LDH, TOTAL (LACTATE DEHYDROGENASE)
LDH, TOTAL (LACTATE DEHYDROGENASE)
$15.50
  • Stock: In Stock
  • CPT Code: 83615
  • QDTest Code: 593
  • Access Test Code: L118
  • LabCorp Test Code: 1115
  • Model: LDH0083


LD; LDH (Lactic Dehydrogenase); Lactic Acid Dehydrogenase


LD 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.

Higher than normal LDH levels usually means you have some type of tissue damage or disease. Disorders that cause high LDH levels include:

  • Anemia
  • Kidney disease
  • Liver disease
  • Muscle injury
  • Heart attack
  • Pancreatitis
  • Infections, including meningitis, encephalitis, and infectious mononucleosis (mono)
  • Certain types of cancer, including lymphoma and leukemia. A higher than normal LDH level may also mean treatment for cancer is not working.


Although the test can show if you have tissue damage or disease, it does not show where the damage is located. If your results showed higher than normal LDH levels, your provider may need to order more tests to make a diagnosis. One of these tests may be an LDH isoenzyme test. An LDH isoenzyme test measures different forms of LDH. It can help your provider find out about the location, type, and severity of tissue damage.