The page below is a sample from the LabCE course Chemical Screening of Urine by Reagent Strip (retired March 2012). Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Specimen Collection, Storage, and Handling

The urine specimen should be collected in a clean container and examined as soon as possible after voiding.
If testing will be delayed more than two hours after specimen collection, the specimen should be refrigerated.
Allow the specimen to return to room temperature before testing.