3 - 7 days
L-asparaginase Assay for Leukemia Patients
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Spectrophotometry/absorbance based enzyme-coupled kinetic reaction.
Used to monitor Asparaginase therapy for sufficient enzyme activity, to assess silent inactivation by patient sensitization. Only experienced physicians treating patients with asparaginase should interpret whether the asparaginase activiy level is adequate. There are no established treatment guidelines. The decision to modify the asparaginase treatment to achieve a target level must be made by the physician.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a red top or SST tube. Allow to clot at room temperature for 30 minutes, but no longer than 60 minutes. Centrifuge, aliquot serum to a plastic screw capped leakproof tube, and freeze.