Specimen Requirements

Patient Preparation

1. Patient does not need to be fasting.

2. Patient is given 50 g Glucola^TM.

3. Blood is to be drawn 1 hour later.

4. Instruct patient as follows:

A. No food.

B. No drinks, only sips of water throughout test.

C. No smoking.

D. Limited exercise.

E. Inform laboratory or nursing staff when symptoms of nausea, vomiting, dizziness, dyspnea, or fainting occur.

Specimen Collection

Specimen must arrive within 72 hours of draw.

Submit only 1 of the following specimens:

Plasma

Container/Tube: Green-top (heparin) gel tube or grey-top (potassium oxalate/sodium fluoride) tube

Specimen Volume: 0.5 mL of heparinized plasma or potassium oxalate/sodium fluoride plasma
Transport Temperature: Refrigerate
Collection Instructions: Centrifuge within 1 hour of draw. For grey-top (potassium oxalate/sodium fluoride) tube(s), do not centrifuge. Forward promptly.

Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).

Serum
Container/Tube: Gold-top serum gel tube

Specimen Volume: 0.5 mL of serum
Transport Temperature: Refrigerate
Collection Instructions: Centrifuge within 1 hour of draw. Forward promptly.

Note: 1. Indicate serum.
2. Label specimen appropriately (serum).