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LDH (Lactate Dehydrogenase)
MessageAfter centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.
Test Code
LAB96
Alias/See Also
Lactate Dehydrogenase (LD)
CPT Codes
83615
Preferred Specimen
4.5 ml (600 ul min) lithium heparin (green); alternate-SST (gold) or Red (no additive)
Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum
Other Acceptable Specimens
Gold SST
Instructions
Spin PST or SST and send to lab
Transport Temperature
Room Temp.
Specimen Stability
Separated from cells: 48 hours room temp, 7 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis: any amount, Icteric: >40 mg/dL bilirubin, Lipemia: >1000 mg/dL
Methodology
Enzymatic Rate Method
Setup Schedule
Mon- Sun
Reference Range
94-200 U/L
Clinical Significance
Elevations in serum lactate dehydrogenase (LD) occur from myocardial infarction, liver disease, pernicious and megaloblastic
anemias, pulmonary emboli, malignancies, and muscular dystrophy
anemias, pulmonary emboli, malignancies, and muscular dystrophy
Performing Laboratory
Piedmont Athens Regional
