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Latest Discussions (everyone)

  • Posted in: Open Forum

    Are labs encountering biotin interference with the GEN 5 cTnT assay? What are labs doing to remedy this potential problem? Are any cTnI assays also having any problems with biotin? I look forward to discussion. -- Fred S Apple PhD Medical Director ...

  • Posted in: Open Forum

    Is it really recommended on the insert to test specific gravity prior to using the qualitative urine hCG test or is it stated that the test can be falsely negative in individuals with dilute urines? This issue had been debated in the past on MEDLAB and ...

  • Posted in: Open Forum

    We haven't modified any FDA method. If you change any of the set points, It will become Lab Developed test. Thank you. Sent from my iPhone ------Original Message------ Have any of you altered calibrator set points for an FDA-cleared test to achieve ...

  • Posted in: Open Forum

    My pediatric laboratory health system institution does not currently perform chain of custody for urine drugs of abuse.  Our health-system-wide policy for chain of custody items is not very specific in regards to urine drugs of abuse- the policy addresses ...

  • The Policy and External Affairs Core Committee (PEACC) is creating a Reimbursement Task Force to help the committee evaluate Medicare coding and payment issues that affect clinical laboratories. Task Force members will review new CPT codes and work with ...

  • Posted in: Open Forum

    We conducted a sigma metrics study on analytical quality of Hemoglobin A1c systems in the market. It was presented in the 2015 AACC meeting. See the attached abstract. Hope it helps. ------------------------------ Burak Bahar, MD Yale-New Haven Hospital ...

  • Posted in: Open Forum

    COUNTERPOINT: the anion gap has retained its clinical utility but needs to be used correctly. In general, the further it gets past 20/30, the higher the probability that there is some significant disease occurring that is associated with an excess ...

  • Posted in: Open Forum

    It's been several years since I was engaged in endocrine clinical chemistry, but my impression then was that plasma metanephrines/catecholamines was gaining favor over analysis of urine with contemporary endocrinologists.  Has there been a trend back ...