The purpose of this study was to determine the correlation of SDMA and Cystatin C with creatinine in felines, to assess the utility of these markers together in diagnosing chronic kidney disease (CKD).Fifty-six feline serum samples were sourced from samples submitted to IDEXX Reference Laboratories for general chemistry testing. Cystatin C, SDMA and creatinine were assayed using a Beckman AU5800 clinical chemistry analyzer. All three methods were calibrated appropriately on the day of assay, and QC was performed prior to analysis of the feline serum samples. Fifty-six feline serum samples were assayed in duplicate for all three analytes on the same day.
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