26 September 2018 (Wednesday) - ISI


Here’s an interesting discussion on the Facebook “Hematology Interest Group” page. I always thought that an ISI was a figure calculated for each batch of reagent on each specific analyser. I can remember being told (by those who should know better) that a generic ISI from a manufacturer was acceptable.
The discussion rather bears out my line of thought… those who advocate a generic ISI don’t seem to have good analyser-to-analyser correlation with their INR…


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