Glucose

What it measures

• GlucoseLOINC 2345-7

Before the visit

Fasting preferred

Fasting preferred. Fasting is defined as no consumption of food or beverage other than water for at least 8 hours before testing.

Specimen

Specimen

1 mL serum

Minimum volume

0.5 mL

Also accepted

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 • Plasma from fluoride/oxalate (gray-top) tube in a plastic screw-cap vial

Container

Serum separator tube (SST)

Temperature

Room temperature

Serum and plasma submissions must be separated from cells

Turnaround

Set up: Mon-Sat; Report available: 3 days

Billing

CPT 82947