Test Code LDH Lactate Dehydrogenase
Additional Codes
Cerner |
NextGen |
LDH Total |
LDH Total |
Alternate Name(s)
LD
LDH
Lactic Dehydrogenase
Lactate Dehydrogenase
Useful For
Lactate dehydrogenase is an enzyme with a widespread tissue distribution and increased levels reflect tissue damage. Causes of elevated LDH include neoplastic states (i.e. leukemia, lymphoma, solid tumors), anemia (i.e. megaloblastic, hemolytic), inflammatory and infectious states, disorders of the lung and muscle, renal and myocardial infarctions, hepatic disease, trauma and shock.
Methodology
Multiple-point rate, Pyruvate to lactate
Patient Preparation
None
Collection Instructions
Standard phlebotomy practices.
Specimen Requirements
Container |
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Stability |
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Rejection Criteria |
Gross Hemolysis |
Result Reporting and Reference Values
Reported in U/L.
Low |
High |
Critical Low |
Critical High |
120 |
246 |
N/A |
N/A |
Reflex Testing
None
Limitations
Dipyrone and Methotrexate both show a negative bias.