Determining Reportable Ranges on ABL90 Flex

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Hi All, 
I'm a new Point of Care Coordinator and new to working with the ABL90 Flex Radiometers. We have a procedure for determining our reportable ranges, but it's slightly confusing. I was hoping someone could explain how their facility determines the reportable ranges, and what their process looks like? Since I'm still in the learning process, any information from those with experience would be very helpful. Thanks!

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Emily,  welcome to POC... the best department in the lab  :)  
  • Disclaimer: I may be a bit biased.

If CAP certified: Your analyzers should be Cal/Ver'ed every 6 months.  The high and low point of this verification can be used to valid the AMR of the analyzer.  I doubt its possible on the Radiometers but be careful not to extend your documented AMR past the manufacturer's published AMR of the system.  *If* the Cal/Ver material doesn't actually extend to the full range of the manufacturers' documented AMR you will have modify the mAMR to what you can actually prove or find other material that does.

Dependant on your facility, MD and its policies, some extend the AMR ~10% past the low/high of the Cal/Ver points.  
To make up an example: if your lowest point on your Cal/Ver has an assigned mean of 100 you may have it in your policy that the AMR could extend down to 90...

The above makes the assumption the Cal/Ver performed falls within its acceptable ranges, looks good and doesn't start to "hook" at the extremes, if it did you may have to modify the AMR to something tighter.  Hope this make some sense. 
 

Thanks so much for your response Jeremy! It is very helpful! We do Cal/Ver every 6 months so I will definitely use that material when building these ranges. 

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Emily Selman
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