Lactate dehydrogenase test

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LDH test; Lactic acid dehydrogenase test

A typical range is 105 - 333 IU/L (international units per liter).

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

Higher-than-normal levels may indicate:

• Blood flow deficiency (ischemia)
• Cerebrovascular accident (such as a stroke)
• Heart attack
• Hemolytic anemia
• Infectious mononucleosis
• Liver disease (for example, hepatitis )
• Low blood pressure
• Muscle injury
• Muscular dystrophy
• New abnormal tissue formation (usually cancer)
• Pancreatitis
• Tissue death

If the LDH level is raised, your doctor may order an LDH isoenzymes test.

Review Date: 03/21/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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