| Ordering Code | 179 |
|---|---|
| Test Name | 2 Hour Glucose Tolerance |
| Alias | 2 Hour GTT Blood Glucose for 2 Hr GTT |
| Preferred Specimen | Serum Note: If specimen cannot be properly processed within 1 hour of collection, collect blood in Oxalate/Fluoride (Gray). |
| Preferred Container | 2 SS (Serum/Separator - Red/Grey or Gold) |
| Optimum Volume | 0.5 mL |
| Collection Instructions | Draw a fasting blood sugar before administering 75-gram glucose, and draw blood after two hours. Label each tube with patient's name, secondary identifier, and collection time interval (i.e fasting and two-hour). |
| Handling Instructions | Serum or Heparin Plasma must be separated from cells within one hour from collection. If specimen cannot be properly processed within 1 hour of collection, collect blood in Oxalate/Fluoride (Gray). |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 24 Hours Refrigerated: 7 Days Frozen: 3 Months Unprocessed Oxalate/Fluoride (Gray) blood is stable for 3 days Ambient. |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
