Bar coding calibration

Details Bar coding calibration Bar coding calibration

G - Physics

01

N

G01N 33/00 (2006.01)

Patent

CA 2056217

ABSTRACT There is described a method of barcoding data needed to determine a calibration curve for a test element in an analyzer. The process follows the steps of: a) ascertaining by statistical analysis the ranges of values for R that are possible for three given concentration values C1, C2 and C3, for a given assay, and assigning a high value H and a low value L for these ranges; b) calculating for a given lot of the given assay, a calibration curve that correlates the analyzer response to the concentration, c) determining the analyzer response R1, R2 and R3 from said calibration curve, that corresponds to the C1, C2 and C3 values; d) calculating the bar code value B1 for Ri of each of these R1, R2 and R3 from the equation: (2) Bi = (10n - 1)(Ri - Li)/ (Hi-Li) where Ri is R1, R2 or R3, and Li and Hi are the corresponding L and H values for that Xi; e) rounding Bi to the nearest integer; and f) supplying this value of Bi for each of Ri = R1, R2 or R3 in bar code form, using n-digit decimal numbers, so that only three sets of (10n) possibilities are needed to accurately pass along data corresponding to the calibration coefficients even though each of the three coefficients can vary by more than that which can be specified using 10n digits.

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