Collection Notes: Collect urine without preservative. Mix urine and then aliquot into two leak-proof, screw-top containers.
Clinical Utility: Urine PEP is useful in the evaluation of lymphoma, amyloidosis, macroglobulinemia of Waldenstrom, and myeloma.
Urine (25 mL)
Ambient 4 Days
Refrigerated 5 Days
Frozen 30 Days
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