Final answer:
The Red-top tube would be filled second according to CLSI order of draw.
Step-by-step explanation:
The correct order of draw according to the CLSI (Clinical and Laboratory Standards Institute) guidelines is:
- Light blue-top tube
- Red-top tube
- Green-top tube
- Lavender-top tube
Therefore, the tube that would be filled second from a syringe according to CLSI order of draw is the Red-top tube.