To properly collect and store specimens, please follow these instructions:

• Fasting is not required.
• Blood samples may be collected in:
  • Serum or plasma gel separation tubes
  • EDTA or heparin plasma tubes
  • All serum tubes
• 0.5 mL plasma sample volume recommended
• All blood samples should be stored refrigerated (2-8°C)
• All refrigerated samples must be analyzed within 7 days of collection
• Prepare samples using standard separation procedures
• Recommend to centrifuge and separate samples within four hours of venipuncture as per good laboratory practices
• Unprocessed Blood Samples
• Store or transport on cold packs (2–8°) and process within 48 hours of collection
• Processed Samples
• May be stored up to 7 days at 2-8°C
• Transport overnight on cold packs (2-8°C) or frozen on dry ice
• May be frozen in aliquot tubes at or below -20°C for up to three months prior to analysis
• May be frozen and thawed up to six times without affecting the Lp-PLA₂ quantitation




rev. 24-Aug-2007

The PLAC Test Package Insert can provide you more information about this assay