Test directory: Glucose, 2 Hr Post Glucola

Ordering Code 174
Test Name Glucose, 2 Hr Post Glucola
Alias 2 Hr Post Glucola Glucose
Preferred Specimen Serum
Note: If specimen cannot be properly processed within 1 hour of collection, collect blood in Oxalate/Fluoride (Gray)
Preferred Container SST (Gold)
Other Specimen/Container Plasma in Sodium Fluoride-Potassium Oxalate (Gray),
Serum in Plain (Red), Plasma in Lithium Heparin (Green-PST),
Plasma in Lithium Heparin (Dark Green-PP No Gel)
Optimum Volume 1 mL
Collection Instructions Patient must be fasting for 10-12 hours. Administer a 75g glucose load. Patient should remain inactive and receive nothing by mouth except for small amounts of water or ice
Collect blood specimen 2 hours post glucose load.
Handling Instructions If specimen cannot be properly processed within 1 hour of collection, collect in Sodium Fluoride - Potassium Oxalate (Gray)
All other specimen types must be centrifuged within 2 hours of collection. If no gel separation present in tube and testing is delayed, plasma/serum is aliquoted from cells within 2 hours of collection.
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: 8 Hours
Refrigerated: 3 Days
Frozen: 3 Months (Aliquot)
Frozen samples should be thawed only once
Unprocessed Sodium Fluoride-Potassium Oxalate (Gray) blood is stable 3 days ambient.
Rejection Criteria Specimen older than stability limits, Grossly hemolyzed,
Insufficient quantity, Unprocessed within allowable time limit
Avail. Stat NO
Analytic Time 1 Day
Methodology Hexokinase - UV/NAD

Reference range(s)

The reference ranges listed below are valid on this date of July 18, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Glucose, 2 Hr Post Glucola ALL 70-139 <= 50 >= 400 70-139 >= 400 <= 50 mg/dL
Reference ranges are... Reference ranges are for normal nonpregnant adults.
Note1

Note1:

Reference ranges are for normal nonpregnant adults..