This test measures the level of lactate dehydrogenase (LDH) in blood or other body fluids. High levels may be a sign of tissue damage from disease or injury. Learn more.

Apr 15, 2022 · An LDH (lactate dehydrogenase) test measures the level of LDH in your blood or other body fluid to check for tissue damage. Healthcare providers order LDH tests to help …

Feb 10, 2025 · The lactate dehydrogenase (LDH) test has a wide range of uses. Learn what they are and what the results can tell you about your health.

Aug 4, 2025 · Lactate Dehydrogenase (LDH) is an enzyme found in nearly all body tissues, playing a role in cellular energy production. The LDH test measures its levels in the blood.

Sep 25, 2025 · Lactic acid dehydrogenase (LDH) is an enzyme that helps produce energy. It is present in almost all of the tissues in the body and its levels rise in response to cell damage.

For LDH, there are 5 isoenzymes numbered LDH-1 through LDH-5. The concentration of each isoenzyme is measured and depends on the tissue. For example, LDH-1 and LDH-2 are found …

Learn about LDH levels, normal range, and what causes high or low LDH. Discover how this enzyme helps diagnose tissue damage and underlying health issues.

This is a blood test that measures the level of lactate dehydrogenase (LDH) in your body. LDH is an enzyme, or catalyst, found in many different tissues in your body.

Lactate dehydrogenase (LDH) activity is present in all cells of the body with highest concentrations in heart, liver, muscle, kidney, lung, and erythrocytes. Serum LDH is elevated …

Learn what LDH levels mean in a blood test, including normal ranges, high and low LDH causes, and their role in diagnosing liver disease, heart conditions, and cancer.