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Said: : "I considered the hook effect for the false negative, but the Clinitest package insert states: "High-dose hook effects are not seen with this product until the urine hCG level exceeds 600,000 mIU/mL, a level two to three times higher than ...

Said: : "This is scaring me! We are implementing the use of the Clinitest in our ED next week. I think the false negative result could be attributed to the Hook effect. The false positives have me worried."

Said: : "Our QC has been fine. I personally repeated one of the false positives and it came back positive for me on two different lots of cassettes."

Said: : "Thanks"

Said: : "Interesting, Cristie. I have my users wiping down the calibration bar once weekly and I still had my problems. Unless of course they're telling me they're doing it and they're not actually doing it :). But, glad to hear it was attribu...