Specimen Requirements

Sodium citrate and EDTA whole blood are required unless a CBC is also collected within 24 hours. Please send CBC results and a list of medications patient is taking.

Specimens must arrive within 4 hours of draw.

Specimen Type: Whole blood, sodium citrate
Container/Tube: 2.7-mL, light blue top (sodium citrate)

Specimen Volume: 2 full tubes

Collection Instructions:

1. Tube must be filled to the etched line of the tube

2. Hemolyzed specimen is not acceptable.

Additional Information: Label specimens appropriately (sodium citrate whole blood).

Specimen Type: Whole blood, EDTA
Container/Tube:  Lavender top (EDTA) or lavender-top (EDTA) MICROTAINER

Specimen Volume: 5 mL

Specimen Minimum Volume: 1 MICROTAINER

Additional Information: Label specimen appropriately (EDTA whole blood).