Login
For Clinician Providers
For Clinician Providers
For Patients
Glucose Tolerance 4 Hours
GTT4
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 |