Posted by Sten Westgard, MS
Posted by Sten Westgard, MS
Abbott Diagnostics is sponsoring a series of Webinars about Quality Control, conveniently scheduled for the Asian market
Register for these webinars at https://www.labexcellence.in [see the webinar descriptions after the jump]
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Posted by Sten Westgard, MS
Posted by Sten Westgard, MS
"We have a department supervisor that instructs the techs to delete (not omit) qc values outside of three s.d..Is there a specific CLIA rule against this? Where I come from, deleting qc values is wrong."
What do you think? The answer, after the jump...
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Posted by Sten Westgard, MS
We got the following question emailed to the website recently:
Greetings, I was [wondering] if the following case represents [violation] of 4 1s rule?
Control (A) point 1= EXCEEDS 2 SD /-2 SD lines >> warning
Control (A) point 2= WITHIN 2 SD/-2 SD lines >> accepted
Control (A) point 3= EXCEEDS 2 SD /-2 SD lines >> warning
Control (A) point 4= WITHIN 2 SD/-2 SD lines >> rejection
all the point[s] on the same side of the mean.
What do you think? The answer, after the jump
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Posted by Sten Westgard, MS
Last month I was fortunate enough to attend the INTERCAL meeting in Lima, Peru, hosted by SIMED.
The Westgard Rules, in the classic 1981 multirule paper, require a 1:2s violation before other rejection rules are violated. If you had4 values past 1s, but nothing past 2s, it wouldn't be checked. Under more "modern" Westgard Rules, with the 1:2s warning rule abolished, you don't need to wait until the 2s limit line is violated before interp...
A recent question came to me via social media: "Hello Sir, Good morning, How are you? I wanted to know is still 10x rule is coumpulsary?[stet.] Even [when] we are using lab mean and lab SD. Please share the details.Thanks and Regards, [anonymous]"10:x is not compulsory by any regulation that I am aware of. Many regulations require you to...