Test Code GTT 50 Gram Gestational Screen Glucose, Gestational, Plasma

Performing Laboratory

NRL-Chemistry

Oxygen Rate

Note: A glucose value of >140 mg/dL generally indicates the need for a full diagnostic tolerance test.

Specimen Type: Plasma

Container/Tube: Light-green top (lithium heparin)

Specimen Volume: 2 mL

Collection Instructions:

Glucola should be ingested within 5 minutes. If patient cannot finish the drink, or vomits, test is invalid and will need to be repeated.

1. Draw blood 1 hour after 50 g dose of dextrose (without regard to time of day and consumption of last meal).

2. Avoid hemolysis.

< 140 mg/dL

Monday through Sunday

Turnaround Time:

Routine-shift

Refrigerate

82950