9 Appendix
LB 9510 Lumat
Page
78
of
79
71450BA2 Rev. 00, 12/2020
plausible substitution values for the maximum binding (either 20 % or
nearly 100%).
If in special cases only two value pairs are available for calculation, the
slope factor is equated with 1.
Extrapolation of the Concentration
If the measured patient concentration is above the standard curve range,
a linear extrapolation of the measured value is calculated and printed out
up to 4 times the value of the highest standard. The calculation is done
according to the following formula:
𝑪
𝒙
= 𝑪
𝒏
+
𝑩
𝒙
− 𝑩
𝒏
𝒇
(
𝒏
)
