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GLUCOSE TOLERANCE 3 HR

Test Code
LAB1767


Alias/See Also
GTT3


CPT Codes
82952, 82951

Preferred Specimen
Plasma collected in a Green top Gel/ Li Hep


Minimum Volume
0.2 mL


Instructions
After obtaining fasting specimen, give a measured amount of glucose orally as follows before collecting the remaining specimens. Adults: 75g Koladex Children: 1.75 g Koladex per kg of ideal weight (up to 75 g dextrose)


Transport Temperature
Refrigerated


Setup Schedule
Set Up:Daily Report Available:1 day


Reference Range
GLUCOSE FASTING Hexokinase-UV mg/dL Non-gestational: 50 - 140 Gestational: 50 - 105 Critical values: <50 or >=400
GLUCOSE 1 HR Hexokinase-UV mg/dL Non-gestational: 50 - 200 Gestational: 50 - 190 Critical values: <50 or >=400
GLUCOSE 2 HR Hexokinase-UV mg/dL Non-gestational: 50 - 140 Gestational: 50 - 165 Critical values: <50 or >=400
GLUCOSE 3 HR Hexokinase-UV mg/dL Non-gestational: No established reference ranges Gestational: 50 - 145 Critical values: <50 or >=400


Performing Laboratory
GBMC Chemistry



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.