Sample Page
The page below is a sample from the MediaLab course,
Phlebotomy.
Learn about Compliance & CE courses available for
clinical laboratories and
individual medical technologists.
- Blood may be collected into either:
- Red top (clot) tubes.
- Speckle top tubes (serum separator tube).
- Gray top tubes specifically designed to preserve glucose levels.
- Gray top tubes contain additives such as sodium fluoride or potassium oxalate, which prevent metabolism of glucose by blood cells.
