Test Code LD Lactic Dehydrogenase
Specimen Requirements
NOTE: Hemolyzed samples should not be used with the LDI method
Container/Tube: GRN/SST
Preferred: Plasma
Acceptable: Serum
Specimen Volume: 1.0 mL
SPECIMEN PROCESSING and HANDLING
For serum, complete clot formation should take place before centrifugation. Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.
TRANSPORT TEMPERATURE
Separated serum and plasma samples are stable at 20 – 25 °C for 3 days.6 Do not refrigerate or freeze.8,9
Note: Activity of LD-4 and LD-5 isoenzymes are lost if the samples are stored below ambient temperatures.
PERFORMING LAB
WKMC, WKB, WKP, WKS