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OB GLUCOSE TOLERANCE 3HR PANEL
Test CodeLAB1230047
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
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.
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
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.