Abstract
Abstract
We have evaluated the Technicon AutoAnalyzer method, the Beckman Creatinine Analyzer II, DuPont aca, Electro-Nucleonics GEMSAEC, and Instrumentation Laboratory Model 916 kinetic methods for determination of serum creatinine. These methods, which involve the Jaffé reaction, all showed a statistically significant proportional error relative to an ion-exchange pretreatment method for creatinine in 92 serum samples; the GEMSAEC method also showed a bias. The positive interference of several acid metabolites was quantitated in each of the methods. The evidence indicates that bilirubin, although associated with a negative creatinine interference, is not the sole interferent. We determined the magnitude of this interference and studied several methods for minimizing it.
Publisher
Oxford University Press (OUP)
Subject
Biochemistry (medical),Clinical Biochemistry
Cited by
155 articles.
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