Diabetes, Gestational Screen, non-fasting*
Methodology
Colorimetric Absorbance
Performing Laboratory
Rutland Regional Medical Center Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube:
Preferred: Light-green top (lithium heparin gel)
Acceptable: Gold top, serum gel
Specimen Volume: Full tube
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Give patient a 50 g dose of glucose beverage, noting time of ingestion (patient must drink entire beverage within 5 minutes).
2. Draw blood 1 hour after ingestion of glucose beverage.
3. Send specimen in original tube.
4. If there is a delay in transport of >1 hour, centrifuge tube.
Specimen Transport Temperature
Refrigerated
Reference Values
50 to 129 mg/dL
Day(s) Performed
Monday - Saturday
Analytical Time:
1 day
Test Classification and CPT Coding
82950
Interface Codes
Diabetes, Gestational Screen, non-fasting L700994
Glucose 1 Hour L802588