Why does the instrument ask for a new calibration curve if I only change the EliA Calprotectin Calibrator Well lot?

Why does the instrument ask for a new calibration curve if I only change the EliA Calprotectin Calibrator Well lot?

EliA Calprotectin uses the same logic as the other EliA calibration systems (EliA IgG, EliA IgA, EliA IgM...). You are probably used to the fact that you can change the EliA Calibrator Well Lot without having to run new curves in these systems. BUT (also with the other calibration systems) you have to run a new curve if the Calibrator Code changes! For EliA IgG/M/A this is usually not the case as in recent years they always had the code 0000000. Bor the EliA Calprotection Calibrator Wells the lot specific code changes from lot to lot. Therefore you have to run new curves when you change the Calibrator Well lot (because the new lot will most likely have a different cal well code).

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As in all diagnostic testing, the diagnosis is made by the physican based on both test results and the patient history.