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Chapter 39

The German Institute for Standardisation's Gesellschaft zur Förderung der Qualitätssicherung in Medizinischen Laboratorien scheme (abbreviated to INSTAND e.V.) provides a monoclonal protein scheme with over 760 participating laboratories reporting IFE results. Since 2007, sFLCs have been added and there are currently over 120 laboratories reporting sFLC results. Two plasma samples are distributed 4 times per year.

Questions

  1. How do absolute sFLC values reported by N Latex FLC assays and Freelite assays compare?

Answers

  1. EQA scheme results indicate that the assays do not compare well and are not interchangeable (Section 39.3 and Chapter 8).
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