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PRENATAL GLUCOSE CHALLENGE
Test CodeGCT
Alias/See Also
PGC
Glucose Tolerance Test, Gestational, 1 Hr
Glucose Tolerance Test, Gestational, 1 Hr
CPT Codes
82950
Includes
1 hr post glucose
Preferred Specimen
1.0 mL plasma collected in a NaFl Koxl (gray).
The gray stops the metabolism of Glucose immediately in the sample.
The gray stops the metabolism of Glucose immediately in the sample.
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma-EDTA (Lavender);
Plasma-NaF KOxl (Gray);
Serum-SST, Red Top or Tiger Top
Plasma-NaF KOxl (Gray);
Serum-SST, Red Top or Tiger Top
Instructions
Please note: The test should be performed between weeks 24 and 28 of gestation. Patient does not need to be fasting. Pateient has 5 min to consume 50 gm of glucola. Collect sample 1 hr from the time they finish consuming the glucola.
Specimen Stability
Room Temperature:
Plasma/Serum at 8 hours at 15-25°C
Fluoride Plasma at 3 days at 15-25°C
Refrigerated:
Plasma \Serum at 3 days at 4°C
Frozen:
Not specified
Plasma/Serum at 8 hours at 15-25°C
Fluoride Plasma at 3 days at 15-25°C
Refrigerated:
Plasma \Serum at 3 days at 4°C
Frozen:
Not specified
Last Updated: November 1, 2024
