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Chapter 39

The Randox International Quality Assessment scheme (RIQAS) for Specific Proteins, incorporating FLCs, has been accredited by the UKAS since 2002 and is currently accredited to the ISO 17043 standard. Twelve liquid stable serum samples are distributed every 6 months with over 180 samples having been distributed to date. There are currently around 830 participants in the scheme with approximately 65 reporting results for FLCs.