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Glucose, 1 hr OB
Test CodeLAB6283
Alias/See Also
GLU1OB; GL1OB; Glucose Tolerance, 1 hour Obstetric
CPT Codes
82950
Preferred Specimen
Grey Top (sodium fluoride/potassium oxalate)
Patient Preparation
Collect 1 hour after glucose load administration. Collect a Grey Top (sodium fluoride/potassium oxalate)
Refrigerate within 4 hours of collection
Instructions
Collect 1 hour after glucose load administration. Collect a Grey Top (sodium fluoride/potassium oxalate)
Refrigerate within 4 hours of collection
Refrigerate within 4 hours of collection
Transport Temperature
Send Refrigerated (2-8C)
Specimen Stability
Stable refrigerated for 3 days.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Insufficient quantity; failure to follow stability requirements; gross hemolysis
Methodology
Colorimetric:The oxidation of sample glucose is catalyzed by glucose oxidase to form hydrogen peroxide and gluconate.
Setup Schedule
Daily
Report Available
Within 4hrs; STAT 60 minutes
Reference Range
65-140 mg/dL Critical Values: Less than 49 or greater than 451 mg/dL
Clinical Significance
Glucose measurements are used in the diagnosis and treatment ofcarbohydrate metabolism disorders including diabetes mellitus, neonatalhypoglycemia, idiopathic hypoglycemia, and pancreatic islet cellcarcinoma.