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HelpTest ID BLOD0794 Glucose Tolerance, 2 Hour
Specimen Type/Requirements
Light Green top (Lithium heparin w/ gel) tube - Plasma
Gold top (Serum w/ gel) tube - Serum
75 g glucose drink
Draw fasting. Give glucose. Draw at 2 hr.
Patient does have to be fasting.
Test is affected by hemolysis. Test is affected by lipemia.
Specimen Volume
| Preferred Volume | 0.5 mL |
|---|---|
| Minimum Volume | 0.25 mL |
Stability/Transport
| Room Temperature | 48 hours | |
|---|---|---|
| Refrigerated | 7 days | Preferred for transport |
| Frozen | 3 months at - 20 C |
Performed Test Frequency
Monday through Friday
Methodology
Hexokinase/G-6-PDH
Performing Lab
Sanford Laboratories Bismarck
CPT
82947, 82950