Glucose 50 Gram Challenge
Test Code: LAB83
CPT Code: 82947
Sunquest Code
GLU50C
Synonym
GTT; Glucose Tolerance
Specimen Type
Serum or plasma
Specimen Container
Green Plasma Separator tube or Gold Serum Separator Tube
Volume
1 mL
Specimen Handling
Separate plasma or serum from cells by centrifugation within two hours of collection
Patient Prep
Fasting recommended
Patient ingests 50 Grams glucose tolerance beverage
Patient ingests 50 Grams glucose tolerance beverage
Collection Procedure
Collect glucose specimen 1 hour past ingestion
Temperature
2-8 degree C.
Stability
Ambient: 8 hours; Refrigerated: 2 Days; Frozen: 2 Weeks
Reference Range Information
By Report
Schedule
Daily
Department
CoreLab
Additional Information
Includes 1 Hour specimen only
Schedule with Phlebotomy or Outpatient Laboratory Service Center. Record collect time on specimen
Schedule with Phlebotomy or Outpatient Laboratory Service Center. Record collect time on specimen
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