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
Profile Contains
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

Reference range(s) for Blood Glucose

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Glucose, FastingALL70-94>= 400<= 50mg/dL
Glucose,1 HrALL70-179>= 400<= 50mg/dL
Glucose,2 HrALL70-154>= 400<= 50mg/dL
Glucose,3 HrALL70-139>= 400<= 50mg/dL

Reference range(s) for Special Instructions

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Special InstructionsALLSee report.

Reference range(s) for Reaction to Glucola

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Reaction to GlucolaALLSee report.

Reference range(s) for Glucola Dose

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Glucola DoseALL100grams

Reference range(s) for Fasting

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
FastingALLYES