Test directory: GTT - 3-Hour, Pregnancy

Ordering Code181
Test NameGTT - 3-Hour, Pregnancy
Alias3 Hour Glucose Tolerance Pregnancy
Glucose Tolerance Test - 3
Hour
Pregnancy, 3 Hr Pregnancy GTT
Preferred SpecimenSerum
Note: If specimen cannot be properly processed within 1 hour of collection, collect blood in Oxalate/Fluoride (Gray).
Preferred Container1 NONE (No specimen required) 2 SS (Serum/Separator - Red/Grey or Gold)
Optimum Volume0.5 mL
Collection InstructionsDraw a fasting blood sugar before administering 100-gram glucose, and draw blood at one, two, and three hour intervals. Label each tube with patient's name, secondary identifier, and collection time interval (i.e. fasting, one-hour, two-hour, and three-hour).
Handling InstructionsSerum 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 RequirementsOahu: Ambient
Airline: Refrigerated
Specimen StabilityAmbient: 24 Hours
Refrigerated: 7 Days
Frozen: 3 Months
Unprocessed Oxalate/Fluoride (Gray) blood is stable for 3 days
Ambient.
Avail. StatNO
Analytic Time1 Day