Uric Acid, Plasma - Saskatoon
Discipline
Biochemistry
Specimen Information
Specimen types accepted
- Plasma
Specimen collection container
- Preferred collection container: Light green (Lithium Heparin gel)
- Alternative collection container: Gold (gel)
Collection procedure
- For patients treated with Rasburicase
- Order and mark requisition with urgent priority
- Collect specimen in a prechilled tube
- Place specimen on ice
- Deliver to the laboratory immediately
Required volume
- Optimal volume: 4.5 mL Full collection tube
- Minimum volume: 1.0 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- 4 hours on cells
- 5 days a 2-8°C
Rejection criteria
- Specimens from patients on Rasburicase that were not collected in prechilled tubes and placed on ice
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Enzymatic, colorimetric
- Rural-colorimetric
Days/times performed
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Maximum laboratory time
Results reporting
- In hospital reported within 2 hours
- Community urgent and inter-hospital reported within 4 hours
- Community routine reported within 24 hours
Specimen retention time
- 3 days
Last Updated: September 30, 2024