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Latest Discussions (everyone)

  • RE: TSH variations.

    Posted in: Endocrinology

    I agree with the suggestion of dilution method, but also suggest to do a spiking test with a known amount of TSH (such as using a QC material or a calibrator) into the sample making a total value around 32.3 µIU/ml (to minimize a possible nonlinear nature ...

  • Posted in: History Community

    Very interesting Larry! Thanks for the enjoyable read. Adil

  • Posted in: Open Forum

    We have compared transcutanueous bilirubin results to those obtained from the central laboratory using the Bilicheck (SpectRx Inc., Galveston, TX). There are QC disks with different shades available. This instrument has the feature to make measurements ...

  • Posted in: Open Forum

    The LDT SD or CV is dependent on the robustness of the method (accuracy and precision), whether you use SD or CV the goal is to have no failures at medical decision limits. For example,  a pain panel that has 30+ compounds ( whether you use sMRM  or DMRM) ...

  • Posted in: Open Forum

    Debs, the submission site will go live in early September and will include a call for proposals that should answer your questions. I'm sure AACC will be sending details via email so watch for that. ------------------------------ David G. Grenache, PhD ...

    1 person recommends this.
  • Posted in: Open Forum

    You should validate all calculated tests annually and any time there has been a change that could impact the tests. (Personally, I prefer more often due to the impact of an erroroneous calculation.) You can do this by manually calculating and comparing ...

  • Posted in: Northern California

    Save the date! BayChem 2017 will be on Friday, October 27th at the San Leandro Marina Community Center The theme of the full-day event is " Current advances in clinical diagnostics " As usual, there will be CE credit available, as well as ...

  • Posted in: Open Forum

    @Charles Beavers, MD Thank you for sharing the protocol. Based on the discussion above and relevant literature, a positive LH definitely has a high positive predictive value when it comes to detect on-going/imminent ovulation. That is the only instance ...