Glucose Tolerance, Diabetes Diagnostic
Alternate Names
Two hour glucose tolerance
SoftLab Order Code
GTT2H
Epic Order Name
GLUCOSE TOLERANCE, DIABETES DIAGNOSTIC
Epic Order ID
LAB169
Tests Included
Fasting specimen glucose
2 hour specimen glucose
Laboratory
All Hospitals and Healthplexes
Additional Test Information
Used for non-pregnant patients
Sample Type
Serum
Collection Container
RST (Orange top - Rapid Serum Tube)
Alternative Collection Container
SST (Gold Top Serum Separator tube)
Red/Black Speckle top (Serum tube)
Collecting Volume
5.0 mL
Minimum Collecting Volume
1.0 mL
Storage or Stability
Refrigerated 3 days
Causes for Rejection
QNS, Hemolysis, Lipemia, Icterus, Red cells not separated within 2 hours of collection.
Patient Preparation
Patient must fast for 8 hours.
Instructions
CPT Codes
82947, 82950