Uric Acid, Rasburicase


Abbrev Code:UAR   
Order Code:LAB1094Order Name:Uric Acid, Rasburicase
Order Instructions:Patients must have this processing protocol followed for all uric acid orders for 96 hours (4 days) post all Rasburicase doses.
Synonyms:LHE LAB2223
Methodology:Woodwinds: Uricase
Roche: Colorimetric
CPT Codes: 84550 x1, 84550 x1
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL in green primary tube on wet ice.
Minimum\Peds Volume:2.0 mL
Container:Green (lithium heparin, no gel)
Collection Instructions:Specimen must be collected in a prechilled tube and maintained on wet ice.
Causes for Rejection:Specimen that is hemolyzed, not collected in prechilled tube, not maintained on wet ice, not centrifuged and analyzed within 4 hours.


Processing and Shipping

Specimen Processing:Centrifuge at refrigerated temperature asap. Aliquot 2.0 mL, 1.0 mL minimum, and analyze within 4 hours of collection.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: 4 hours refrigerated.
Vista: 4 hours refrigerated.
Test Performed at or Referral Lab Chemistry  (Woodwinds)


Interpretive

Reference Range:This is a processing step only, refer to Uric Acid for reference ranges.
Use:Evaluate metabolism or urate, including gout and renal stones.


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