GTT4

Test CODE NAME

GTT4

Glucose Tolerance 4 Hours

Methodology: Quantitative Enzymatic
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect: Gray (sodium fluoride/potassium oxalate).
Specimen Preparation: 1st draw: fasting basis; administer a 50 or 75 gram glucose load immediately after the 1st draw;; 
2nd draw- 1 hour after the administration of glucose; 
3rd draw - 1 hour after the 2nd draw;
4th draw - 1 hour after the 3rd draw; 
5th draw - 1 hour after the 4th draw;
Total - 5 gray tubes
Storage/Transport Temperature: Room Temperature
Stability: Room Temperature 48 hours; Refrigerated : 72 hours
Label each tube with the patient's name and time interval
Note: This test is approved for NY . 
Performing Lab 
Accu Reference Medical Laboratory
CPT Code(s): 82947