A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: GTT
Performed: 24 hrs.
Turn Around Time: Med Emerg: 45 minutes; Routine: 2 hrs.
CPT Codes: 82951
Performed By: Chemistry
Notes: Interpretation of Plasma Glucose Results 2 Hour Glucose Tolerance with a 75 g oral glucose load. Fasting (0hr before 75 g load): Impaired Glucose Tolerance Test (IGT) 110-125 mg/dL; Provisional Diabetes Mellitus (DM)>=126 mg/dL. 2 Hour (2 hr after 75 g load): IGT 140-199 mg/dL; Provisional DM>=200 mg/dL.
Clinical Utility: Used for diagnosis of Impaired Glucose Tolerance (IGT) or Diabetes Mellitus (DM) after 75g oral glucose load.
Components
No component information is available.
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Gray, 6mL |
|
|
Fasting and 2 hour post 75g glucose load samples required. |
|
|