Urate

Alternative Names/Synonyms	UA, Uric Acid
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	URICS, URICP

Clinical Significance (If applicable)

Assisting in diagnosing renal failure.

Monitoring patients receiving cytotoxic drugs and a variety of other disorders, including gout, and leukemia.

Specimen Requirements (Sample Type)

Serum, Plasma

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

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

Draw (mL)

4.5 mL

Collection Requirements

Collection Instructions

Sample Stability

Room Temperature: N/A

Fridge: 5 days @ 2-8°C

Freezer: 6 months @ -20°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas c 702, colourimetric

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

1 hour

Routine Turnaround Time

3 hours

Reference Ranges

Females: 180 - 360 µmol/L
Males: 180 - 450 µmol/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