Uric Acid, Rasburicase

Abbrev Code:URICRAS   
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.
Associated Links:

Roche Go Live Schedule

Collection Instructions

Optimal Volume:4 mL in green primary tube on wet ice.
Minimum\Peds Volume:2.0 mL
Collection Instructions:Specimen must be collected in a prechilled tube and maintained on wet ice.
  Chemistry Tests Containers Chart
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.
Test Performed at or Referral Lab Chemistry  (Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, Roche-UMMC West, Woodwinds)


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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