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HOUR 3, GLUCOSE TOLERANCE SPECIMEN

Message
Draw the fourth sample three (3) hours after ingestion of oral glucose and Document collection time on the label.


Test Code
LAB16565 G03


Alias/See Also
G03


CPT Codes
82951| 82952

Includes
Patient should be fasting for at least eight (8) hours before test and no longer than sixteen (16) hours. Patient cannot eat or drink during test, but water is permitted before and during the test.Cigarette smoking will affect results and should be avoided.


Instructions
Processing Instructions (Lab use only): Centrifuge and separate cells after clot formation and within 4 hours of collection. Minimum Testing Volume: 0.1 mL Serum or Plasma Transport Temperature: Refrigerated Stability: Ambient: 2 daysRefrigerated : 7 daysFrozen: 1 year Causes for Rejection: Unlabeled, mislabeled, wrong tube type, QNS, hemolyzed.


Clinical Significance
1230130090



Last Updated: May 18, 2026


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.