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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
Red top (Serum w/out gel) tube - Serum
Overnight fasting is required.
Give 75 gram oral glucose load after drawing fasting specimen.
Children are to be given 1.75 gram oral glucose dose per kilogram of body weight. Do not exceed 75 gram glucose dose. Once the child has reached 95 pounds, the normal adult dosage is given.
Properly label each specimen with date and time.
Specimen should be centrifuged and separated within 2 hours of collection.
Panel includes a fasting glucose and 2 Hour post glucose dose.
Test may be affected by gross hemolysis, gross icterus and gross lipemia.
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Stability/Transport
| Room Temperature | 2 days | |
|---|---|---|
| Refrigerated | 7 days | Preferred for transport |
| Frozen | 3 months |
Performed Test Frequency
Monday through Sunday
Report Available
1 - 3 days
Methodology
Enzymatic (Hexokinase/G-6-PDH)
Performing Lab
Sanford Laboratories Sioux Falls, Fargo, Bismarck, Bemidji, Black Hills
CPT
82947, 82950