Glucose, 1Hr PP (LABCORP)

Test Code
99901000405


Alias/See Also
LAB4038: Glucose Gestational Screen | LABCORP EAP: 102277


CPT Codes
82950x1

Preferred Specimen
LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: .5


Other Acceptable Specimens
LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: .5
LABCORP LAB: GREY TOP: (Refrigerated) Min Vol: .5
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: .5


Instructions
Draw a fasting 3 mL gel-barrier tube before administering 100-g glucose, and additional 3 mL gel-barrier tubes at one, two, and three hours. The subject should remain seated and not smoke throughout the test.


Transport Temperature
Specimen: Serum or plasma Volume: 1 mL serum or plasma each tube Minimum Volume: 0.5 mL serum or plasma each tube Container: Gel-barrier tubes (4) or gray-top (sodium fluoride/potassium oxalate plasma) tubes (4) Patient Preparation: Patients should be instructed to eat and drink nothing except water for at least eight hours and not more than 14 hours before the test Collection: Draw a fasting blood sugar before administering 100-gram glucose, and draw blood at one, two, and three hours. The subject should remain seated and not smoke throughout the test. Submit 1 mL serum or plasma for fasting, one-hour, two-hour, and three-hour specimens. Separate serum or plasma from cells within 45 minutes of venipuncture. Gray-top tubes only, may be submitted without centrifugation. Label each tube with patient’s name and collection time interval (ie, fasting, one-hour, two-hour, and three-hour). Storage Instructions: Maintain specimen at room temperature Stability: Room temperature, Refrigerated, Frozen: 14 days


Report Available
LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min



Last Updated: March 6, 2023


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.