Cefazolin may cause an erroneous elevation of this laboratory value?
Depending on the analyzer used, high concentrations of cefazolin have been reported to cause a false elevation of serum creatinine. (Nanji AA et al. Interference by Cephalosporins with Creatinine Measurement by Desk-Top Analyzers. Eur J Clin Pharmacol 1987; 33:427-429.)
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