Glucose, Gestational Screen (50g), 135 Cutoff

What it measures

• Glucose, Gestational Screen (50G)-135 CutoffLOINC 1504-0

Before the visit

Fasting is not required.

Specimen

Specimen

1 mL plasma collected in a fluoride/oxalate (gray-top) tube

Minimum volume

0.5 mL

Also accepted

Plasma from fluoride/oxalate (gray-top) tube in a plastic screw-cap vial • Serum (separated from cells immediately) in a plastic screw-cap vial • Spun SST • Plasma from lithium heparin (green-top) tube in a plastic screw-cap vial • Plasma from sodium heparin (green-top) tube in a plastic screw-cap vial

Container

Fluoride/oxalate (gray-top)

Temperature

Room temperature

The patient is given a 50 g dose of glucose and a single blood specimen is obtained one hour later. Serum and plasma submissions must be separated from cells. Note: The test should be performed between weeks 24 and 28 of gestation.

Turnaround

Set up: Daily (Day shift); Report available: 3 days

Billing

CPT 82950