Collect

Note: For glucose tolerance testing, please refer to the Glucose Tolerance Test

For the University City campus, collect in a light-green plasma separator tube (preferred):
Plasma Separator Tube
(Lithium Heparin)
OR
Plasma Separator Tube
(Lithium Heparin)
For all other satellite locations:
Gold Top Tube 
(Serum Separator Tube)
OR
Microtainer Gold Top 
(Serum Separator Tube)

Specimen Preparation

Follow Central Lab Services processing protocol.

Storage/Transport Temperature

Room temperature

Stability (from collection to initiation)

Before separation from cells
After separation from cells

Room Temperature
≤ 2 hours 
Room Temperature
≤ 8 hours 
Refrigerated (2-8 C)
≤ 3 days 
Frozen (-20 C)
≤ 30 days

Volume Required

0.5 mL blood

Minimum Required

0.3 mL blood

Phlebotomy Draw

Yes

Performing Lab

Chemistry Laboratory

Performed

24/7

Methodology

Colorimetric

Reported

STAT: 60 minutes
Routine: 90 minutes

LIS Mnemonic

GLU

Available STAT

Yes

Reference Ranges

All Ages: 71 - 110 mg/dL

CPT Codes

82947
Collection

Collect

Note: For glucose tolerance testing, please refer to the Glucose Tolerance Test

For the University City campus, collect in a light-green plasma separator tube (preferred):
Plasma Separator Tube
(Lithium Heparin)
OR
Plasma Separator Tube
(Lithium Heparin)
For all other satellite locations:
Gold Top Tube 
(Serum Separator Tube)
OR
Microtainer Gold Top 
(Serum Separator Tube)

Specimen Preparation

Follow Central Lab Services processing protocol.

Storage/Transport Temperature

Room temperature

Stability (from collection to initiation)

Before separation from cells
After separation from cells

Room Temperature
≤ 2 hours 
Room Temperature
≤ 8 hours 
Refrigerated (2-8 C)
≤ 3 days 
Frozen (-20 C)
≤ 30 days

Volume Required

0.5 mL blood

Minimum Required

0.3 mL blood

Phlebotomy Draw

Yes
Ordering

Performing Lab

Chemistry Laboratory

Performed

24/7

Methodology

Colorimetric

Reported

STAT: 60 minutes
Routine: 90 minutes

LIS Mnemonic

GLU

Available STAT

Yes
Result Interpretation

Reference Ranges

All Ages: 71 - 110 mg/dL
Administrative

CPT Codes

82947