Preferred Specimen(s) 1 mL serum
Instructions: Do not allow multiple freeze and thaw
Transport Container Plastic screw-cap vial
Transport Temperature
- Ambient 5 days,
- Refrigerated 7 days
Reject Criteria
- Gross hemolysis
- Received frozen
- Anticoagulants other than heparin
- Received refrigerated
Methodology Spectrophotometry
Clinical Significance Elevations in serum lactate dehydrogenase occur from myocardial infarction, liver disease, pernicious and megaloblastic anemia, pulmonary emboli, malignancies, and muscular dystrophy