Specimen Requirements

Specimen Type: Blood  

Container/Tube: 

Preferred: Light-green top (lithium heparin gel or green-yellow)

Specimen Fill Volume: Full tube

Specimen Minimum Volume: 2 mL

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Additional Information: LD activity decreases at cold temperatures. Do not refrigerate or freeze specimen.