We already perform a sample exchange between all 4 chem and 3 immuno analysers currently in operation in 2 locations. It's crude, but we have been developing "acceptable" limits in a rather crude system based around biological variability - I'll send you a copy of spreadsheets. Just looking at moving it on a stage to more real-time than snapshots
dj
Dr David James
Consultant Chemical Pathologist
Department of Pathology
Taunton & Somerset NHS Trust
Taunton
TA1 5DA
Tel: 01823 34 22 72
Cell: 077 6688 0838
Fax: 01823 27 10 23
>>> Louise Ward <[log in to unmask]> 06/09/2011 3:08 PM >>>
Dear All,
How does everyone else monitor the results generated by their main chemistry analysers?
EQA routinely run (and perhaps reported?) on all analysers offers one monitoring scheme.
We have two analysers running routine chemistry work. How close should the results from each analyser be? Usually one analyser runs 'a bit lower' for FT4s than the other one, but I'm sure it isn't clinically significant - but if I wanted to qualify the differences and determine what is acceptable - any one got somewhere for me to start?
At the moment as long as the analysers have acceptable IQC and EQA we are all happy. It may not be flagged that one analyser is running IQC at the top end of 2SDs and the other at the bottom of 2SDs, for example.
Thanks very much,
Best wishes, Lou
Louise Ward
Clinical Scientist, Bedford
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