Specimen Requirements

Patient Preparation:
1. Patient should be instructed to eat and drink nothing except water after midnight.

2. Patient should be instructed to refrain from smoking and drinking coffee just before and during test.

 

Performance of Test:

1. Physician orders specific amount of Glucola and length of test.

2. Draw blood for a fasting glucose. Do not perform test if patient is not fasting or fasting glucose is 160 mg/dL.

3. Give patient standard glucose solution as follows:

Glucose Tolerance Oral Dose
Age/Weight	Amount of Glucose Solution
Adults or children >12 years	100 g (10.0 ounces)
Children under 12 years:
>95 pounds	7.5 ounces
82-94 pounds	7.0 ounces
70-81 pounds	6.0 ounces
57-69 pounds	5.0 ounces
44-56 pounds	4.0 ounces
31-43 pounds	3.0 ounces
<30 pounds	Consult pathologist at 973-831-5046
Calculation:  1 pound = 0.45 kg 1.75 g (0.175 ounce) of glucose solution per kg

4. Draw specimen(s) at specified times.

 

Specimen Collection:

Specimen Type: Plasma or serum
Container/Tube: Light green top (lithium heparin gel), gold or tiger top (serum gel)

Specimen Volume: Full tube

Collection Instructions: Label tube with time of draw.