DL – “D-Lactate, Plasma”

Update to specimen preparation, minimum volume, alternate specimen, stability, methodology, performed days, and turnaround time.

Specimen Preparation: Centrifuge, separate, and send 0.5 mL plasma in a screw capped plastic vial. If collecting in sodium heparin tube, centrifuge within one hour. 

Minimum Volume: 0.2 mL

Alternate Specimen: Plasma: Green sodium heparin

Stability: Room temperature: 91 days
                Refrigerated: 91 days
                Frozen: 91 days 

Methodology: Gas Chromatography-Mass Spectrometry (GCMS) Stable Isotope Dilution Analysis 

Performed Days: Monday, Thursday 

Turnaround Time:  5 – 8 days