{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T15:06:08Z","timestamp":1791212768056,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2010,5,13]],"date-time":"2010-05-13T00:00:00Z","timestamp":1273708800000},"content-version":"vor","delay-in-days":132,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Laboratory Analysis"],"published-print":{"date-parts":[[2010,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Background<\/jats:italic>: The study evaluated the impact of interferences on the analytical specificity of three commercial and commonly used creatinine methods (two Jaffe and one enzymatic).<\/jats:p><jats:p><jats:italic>Methods<\/jats:italic>: Manufacturer creatinine methods plus modified methods were tested with the following interferences: spiking serum with bilirubin, albumin, glucose, hemoglobin and lipid, and patient sera with maximum concentrations of bilirubin, 1,090\u2009\u00b5mol\/l and protein, 117.8\u2009g\/l.<\/jats:p><jats:p><jats:italic>Results<\/jats:italic>: Hemoglobin, 7.5\u2009g\/l and lipaemic with triglyceride concentration of 6.27\u2009mmol\/l, did not interfere with all assays. Glucose &gt;33.3\u2009mmol\/l increased creatinine recovery for Dimension method. Samples spiked with bilirubin imparted a negative bias for Dimension and Architect methods but imparted a positive bias for Vitros assay. However, using patient sera, negative bias with bilirubin was found for all methods, from which Architect method gave the highest effect (<jats:italic>R<\/jats:italic><jats:sup>2<\/jats:sup>=0.861), followed by Vitros (<jats:italic>R<\/jats:italic><jats:sup>2<\/jats:sup>=0.239) and Dimension (<jats:italic>R<\/jats:italic><jats:sup>2<\/jats:sup>=0.163). Protein provided the positive bias for all creatinine measurements that increased with increasing concentration (<jats:italic>R<\/jats:italic><jats:sup>2<\/jats:sup> ranging from 0.104 to 0.182, <jats:italic>P<\/jats:italic>&lt;0.0001). Addition of sodium dodecyl sulfate (SDS) in alkaline\u2010picrate reagent reduced the effect of bilirubin and protein for kinetic Jaffe method. Although adding potassium ferricyanide was well effective for eliminating negative interference of bilirubin, it was prone to interference from protein.<\/jats:p><jats:p><jats:italic>Conclusions<\/jats:italic>: Endogenous interferences continue to plague creatinine accuracy measurement in both Jaffe and enzymatic methods, and consequentially the estimated glomerular filtration rate. The addition of SDS to the alkaline\u2010pirate reagent was shown to be effective in reducing bilirubin and protein interferences. J. Clin. Lab. Anal. 24:123\u2013133, 2010. \u00a9 2009 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/jcla.20350","type":"journal-article","created":{"date-parts":[[2010,5,14]],"date-time":"2010-05-14T14:45:35Z","timestamp":1273848335000},"page":"123-133","source":"Crossref","is-referenced-by-count":29,"title":["Exogenous interferences with Jaffe creatinine assays: addition of sodium dodecyl sulfate to reagent eliminates bilirubin and total protein interference with Jaffe methods"],"prefix":"10.1002","volume":"24","author":[{"given":"P.","family":"Srisawasdi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"U.","family":"Chaichanajarernkul","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Teerakanjana","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Vanavanan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.H.","family":"Kroll","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2010,5,13]]},"reference":[{"key":"e_1_2_1_2_2","first-page":"S1","article-title":"K\/DOQI clinical practice guidelines for chronic kidney disease: Evaluation, classification, and stratification. 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