A global resource for traceability in laboratory medicine and in vitro diagnostics.

Entrance to the JCTLM database for searching higher-order reference materials, measurement methods and services

Information about the processes and procedures of the JCTLM Database Working Group

General information about metrological traceability

Information on how to submit new reference materials, measurement methods and measurement services for evaluation.

Membership and procedures for the review teams that evaluate new reference materials, measurement methods, and measurement services.

Sources of direct funding and sponsorship for the JCTLM