Alert

Published on June 26, 2024

Non-Pregnant GTT (0, 2 HR)

Tube Type

Test ID LAB17006
EPIC ORDER NON-PREGNANT GTT (0, 2 HR)
CPT Code(s) 82951 x 2
Group/Individual Test Group
Laboratory Core Laborato ry
Tube Station Routine 30, STAT 888
Specimen Routine: 3 mL blood/green lithium heparin gel tube/gold SST or red plain Tube also acceptable
Micro: 200 µL blood/green lithium heparin gel microtainer/gold SST microtainer/red plain microtainer
Availability Routine: 24 hr/day
Turnaround Time             Routine: 2 hrs
  STAT: 1 hr
Reference Range                Normal:
Component Reference Range (mg/dL)
Fasting Glucose 10-99
2-hour Post Glucola <200
Critical Values                 <54 mg/dL or >400 mg/dL
Comments      
  • This test is for non-pregnant individuals after administration of 75 g of Glucola. This test automatically times the collection of two glucose measurements for fasting glucose and 2-hour post-glucola.  Do not order the individual components as they are included in the test.
  • Reference Range Source: American Diabetes Association Standards for Care 2023

Reviewed by J. Carr on November 25, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514