Important Note

Follow special handling procedure when the patient is on Rasburicase:

Uric acid must be analyzed in plasma specimens only. Blood must be collected into prechilled tubes containing heparin anticoagulant. Samples must be immediately immersed in an ice water bath. Samples must be centrifuged off-line. After centrifugation, samples must be immediately analyzed for uric acid or be placed in the refrigerator until testing can be performed. The uric acid measurement must be completed within four hours of collection. This special handling procedure must be followed for 5 days after the dose is given.