Basic QC Practices
There are manufacturer controls and then there are third party independent controls. What happens when they don't agree?
More than 2,000 laboratory professionals worldwide registered for the Warning on Warning Rules webinar on February 13, 2025. Several hundred more have watched the on-demand recording since. The topic seems to have struck a nerve.
How should we handle positive controls in SARS-COV-2 assays? What's the upside of examining a data set that contains a real error?
A new IFCC survey of global practices highlights some old problems.
A recent publication of large academic medical centers in the USA revealed that 90% of them still set their control limits at 2 standard deviations from the mean, and only 10% use a variation of the "Westgard Rules". Have we really fallen so far?