Name: Glucose Tolerance, 1 Hour
Test Name: Glucose Tolerance, 1 Hour
Health Link Test Code: HC1HRGLUC
LIS Test Code: 1HRGLUC
CPT Code(s): 82950
One hour draw for glucose after administration of a glucose containing solution.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: 1 hour.
Patient should have nothing to eat or drink (except water) for a minimum of 8 hours before test. Exception: If patient is completing a one hour glucose challenge test for gestational diabetes, fasting is not required.
A solution containing 50 grams of glucose will be administered at the beginning of the test.
Collection Container: Green cap with yellow ring (PST)
Also Acceptable: Green top, Red cap with yellow ring (SST), Red top
Test available Mon-Fri, 0800-1500.
Test available Sat-Sun, 0900, at UW Hospital location only.
Collection Volume: 1 mL
Pediatric Collection Volume: 0.3 mL
PST: 48 hours
SST: 4 days
Sample Analyzed: Plasma or serum
Testing Volume: 0.5 mL
Pediatric Testing Volume: 0.1 mL
Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.
Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.
Critical Calls: yes