A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Glucose Tolerance 3 Hour Gest

Test Code
GTT3GEST


Alias/See Also
GTT


CPT Codes
82591, 82592

Includes
Fasting Glucose, 1 Hour Glucose, 2 Hour Glucose, 3 Hour Glucose


Preferred Specimen
GREEN Lithium Heparin Plasma


Minimum Volume
0.25 mL per specimen


Other Acceptable Specimens
SST Serum Separator, Red No Gel


Instructions
Separate from cells within 1 hour of collection


Transport Container
GREEN Lithium Heparin


Transport Temperature
Room Temperature


Specimen Stability
Room Temp: 24 Hours; Refrigerated: 7 Days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Not separated from cells within 1 hour of collection, Gross hemolysis


Methodology
Vitros 7600/3400

Clinical Significance
Glucose Tolerance Test, Gestational 3-Hour/100 g Glucose levels may be abnormally high in patients with gestational diabetes.


Performed By
RFGH Laboratory

Performing Laboratory
RFGH Laboratory



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.