Published on December 19, 2017
Glucose Tolerance Test, 3 hour
(Includes: Fasting Glucose Performable, 1 hour Glucose Performable, 2 hour Glucose Performable and 3 hour Glucose Performable)
||GLUCOSE TOLERANCE, 3 HOURS
||82950 X 4
||Routine: 30, STAT: 888
||3 mL blood/Li Heparin plasma separator tube/Mint Green top. Also acceptable serum (Gold SST / Red Top Tube)
||200 µL blood/mint green top bullet/gold top/red top
||STAT 1 hr; Routine 2 hrs
Fasting GTT: 70-99 mg/dL
1 Hour Glucose: 40-179 mg/dL
2 Hour Glucose: 40-154 mg/dL
3 Hour Glucose: 40-139 mg/dL
Reference ranges from Carpenter Coustan Criteria, Standards of Medical Care in Diabetes in 2019.
||<40 mg/dL or >400 mg/dL
Panel includes performable tests for fasting, 1 hour, 2 hour and 3 hour glucose. Once order is released and the fasting sample is generated, the 1 hour, 2 hour and 3 hour samples can be collected.
Do not order these tests individually as they are included in the panel.
Reviewed by Christopher Parker on December 07, 2021