Glucose, 1 hr OB

Test Code
LAB6283


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


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.




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.