In support of the JCTLM activities the IFCC has launched a proficiency testing system dedicated to Reference Measurement Service Providers. Since 2003 seven ring trials have been organized for some thirty different measurands. Ring trials are conducted annually.
Detailed information including a Procedure Manual is available at:
For further information please contact:
Professor Dr. L. Siekmann
Institut für Klinische Biochemie
University of Bonn
D-53127 BONN, Germany