OB GLUCOSE TOLERANCE 3HR PANEL

Test Code
LAB1230047


CPT Codes
82951, 82952

Includes
Fasting, 1 Hour Post Dose, 2 HR Post Dose and a 3 Hour Post Dose


Preferred Specimen
One 5 mL gray top tube
Pediatric: One grey top microtainer


Other Acceptable Specimens
Light green top, dark green top, red top, or gold top tube


Instructions
Patient should fast for twelve hours prior to sample collection.

Sample must be centrifuged within 2 hours of collection or within 4 hours if drawn in a Gray Top tube. Samples collected in a red (serum) or dark green (heparin) or gray (sodium fluoride) top tube must be removed from the red cells and put into aliquot tubes following centrifugation.


Transport Temperature
Refrigerated


Specimen Stability
Centrifuge within 2 hours ofcollection (Red/ dark Green/ Light Green/ Gold) or within 4 hours(Gray)  
Ambient: 2 days   Refrigerated: 7 days   Frozen: Not specified


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Patient illness during testing.Fasting specimen greater than or equal to 126 mg/dL.


Methodology
Glucose Oxidase

Setup Schedule
Sunday-Saturday


Reference Range
Stage in Testing   (For pregnancy) Value (mg/dL)
Fasting <105
1 hour <190
2 hours <165
3 hours <145

At least 2 values must be equaled or exceeded for the diagnosis of gestational diabetes.


Performing Laboratory
West Virginia University Hospital, Inc.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.