Laboratory-Prepared Quality Control Solution for Urine Test Strips

Sherwin B. Toriano
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Sherwin B. Toriano: School of Medical Laboratory Science, The Manila Times College of Subic

International Journal of Research and Scientific Innovation, 2024, vol. 11, issue 15, 843-849

Abstract: A urinalysis test consists of three distinct examinations: physical, chemical, and microscopic. The various chemical tests are performed with a urine strip. A urine strip is a plastic dipstick with absorbent square pads embedded with chemicals that represent certain reactions. A quality control scheme should ensure that the urine strips are functioning properly by detecting the positives in various grades. A proposed laboratory-prepared control solution is a mixture of glucose powder, acetone, human serum, hemolyzed human red cells, and normal saline solution. This solution serves as a positive control to test the accuracy of urine strips for sugar, protein, pH, blood, and density. The triplicate daily test results in these parameters were consistent and showed no significant difference. This laboratory-prepared control solution is equivalent to a positive control level 2 and stable until 15 days when properly dispensed in sterile capped tubes and kept at a refrigerated temperature.

Date: 2024
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