BIANNUAL CORRELATION for Multiple POC Analyzers
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Hello,
I am curious how do you guys do Biannual Correlation for Multiple ABL90 analyzers? We have 6 ABL90 in our hospital and manufacture recommended 5 patient sample correlation.
1. Do you just choose 1 specific device and correlate it to it's comparable method? 2. Do you still run samples on all instruments and do comparison?
Thank you so much!
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We compare to the main lab ABL835. We have 7 ABL90s.
We don't have the ABL but I would do it the same as my Avox's...correlate one with the Main Lab and then do the QCC samples from CAP to compare the others. ivy
Good-day i do not use the ABL analyzer; basic information for correlation. I would say get 5 samples correlate it with 2 instruments since you have multiple you can use 3. it will not hurt to do more, then with your next correlation use a different analyzer with a different serial number.; you don't have to do all the instruments.
I have 8 ABL90s and I run 5 correlation samples on each of them against my "Goldstandard" ABL90. Then I run 5 samples on the "Goldstandard" against the lab's chemistry and hematology analyzers for the lytes, metabolites, and hemoglobin.
Thank you very much everyone! I really appreciate your input!
We compare one instrument to the lab and use that as the primary; then we compare all the other instruments to each other. We don't have ABLSs, we have GEM5000 and RapidPoint 500s, as well as i-STAT. We use cal ver material to compare all the instruments to each other, and patient samples to compare to the lab for that primary instrument. My understanding is that all instruments that do the same test have to be compared to each other. If the lab does not do the test (we have one hospital that doesn't do blood gas in the lab) then we just compare all the instruments to each other.
We correlate our ABL90s with our EPOCs and also our ABL80.
For the EPOC correlations, we also run creats on our COBAS and HCTs on our SYSMEX.
We run 6 or 7 random patient samples and typically keep the best 5 (There is always one that doesn't work!). Three samples will only give you a preliminary report in EP evaluator.