Diagnostic Test Directory

Clinical Chemistry Laboratory

Lactate, Plasma

  • LIS Mnemonic: LACT

    Collect

    Light Green (PST - Lithium heparin)

    Volume Required

    1 mL blood

    Minimum Required

    0.5 mL blood

    Transport

    On ice

    Stability

    5 days refrigerated

    Processing

    Centrifuge PST tube promptly. All chemistry specimens collected in a PST should be centrifuged at 3,400 RPM's for 10 minutes. If there is gel separating the plasma from the red cells, it is not necessary to transfer the plasma to another tube. Follow directions in the centrifuge manual to set the centrifuge appropriately.If there is not gel separating the plasma from the red cells, transfer the plasma using a disposable pipette to another tube (pour off tube) being careful not to disturb the buffy coat. Rubber band the original tube (parent tube) with the labeled pour off tube prior to sending the specimen to CLS.

Days Performed

24/7

Reported

Stat: 45 Min. Routine: 90 Min.

Reflex Testing

N/A

CPT

83605

Methodology

Colorimetric

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