Glucose

Alternative Names/Synonyms	Fasting Glucose, Random Glucose, Blood Sugar
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	Fasting: GLUF, GLFP, GLUFP Random: GLUS, GLRP, GLUP

Clinical Significance (If applicable)

Evaluating glycemic status as well as assisting in diagnosis of diabetes mellitus.

Specimen Requirements (Sample Type)

Serum, Plasma

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

Serum (Gold SST)
Plasma (Light Green PST, Grey Tube)
Collection Containers – Tube Types

Collection Requirements

Collection Instructions

Sample Stability

Freezer: N/A

Room Temperature: 8 hours

Fridge: 72 hours @ 2-8°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas c 702, enzymatic

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

1 hour

Routine Turnaround Time

3 hours

Reference Ranges

Fasting: 4.0 - 6.0 mmol/L
Random: 4.0 - 8.0 mmol/L

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688

Patient Preparation

Fasting samples require at least 8 hours from last meal (food and/or drink consumption).