Specimen Required

Container/Tube:
Preferred: Lithium Heparin (Mint)
Acceptable: Serum gel, Tiger top, Red top
Specimen Volume: 1.0 mL

Glucose Drink Dosage: 50 grams

Collection Instructions:

Patient Preparation:

a. Patient should follow physician instructions regarding fasting.

b. The patient is instructed to avoid smoking, drinking beverages(water is allowed), mild or strenuous exercise prior to and during the test. 

c. Advise the patient to remain at the testing site for the duration of the test procedure. Physical activities such as walking are not permissible.

e. Serve glucose tolerance drink chilled. Do not serve glucose drink on ice. Instruct the patient to drink the solution in no more than 5 minutes.  Patient must be observed drinking the glucose solution.

f.  A fasting/baseline specimen is NOT collected.

Plasma gel tubes should be centrifuged within 2 hours of collection. 4 hours is acceptable.
Serum gel tubes should be fully clotted and centrifuged within 2 hours of collection. 4 hours is acceptable.
Red-top tubes should be fully clotted, centrifuged and aliquoted within 2 hours of collection. 4 hours is acceptable.