See members and Terms of Reference for this WG. The tasks for this working group are to define what are sufficient and adequate indications for commutability of EQA samples to support aggregation of results. The working group on commutability works in parallel with the IFCC working group on commutability in metrologic traceability. Working groups are established to address each of these challenges. In addition, criteria for evaluating harmonization will be determined as appropriate for various measurands. how to group different measurement procedures.how to assess with a high degree of probability commutability of EQA samples and.Two major challenges must be addressed to initiate this program: This program is an expansion of a feasibility study reported here.Ī steering committee consisting of delegates from EQALM and ICHCLR is now creating the structure for developing procedures to monitor harmonization using the EQALM central data base in which EQA results from a large series of measurands will be stored and available for analysis. The purpose is to evaluate and assess harmonization of measurands through aggregated EQA data on an international basis. The acronym stands for HArmonization of measurands in Laboratory Medicine through data Aggregation and aims to collect and aggregate results from different EQA providers that use commutable samples. Therefore, the International Consortium for Harmonization in Laboratory Medicine (ICHCLR) and The European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM), have joined forces for an initiative called HALMA. The HALMA initiativeĬombining results from various EQA providers may provide a powerful tool to monitor harmonization of measurement procedures in the medical laboratory. Combining results from various EQA providers may provide a powerful tool to monitor harmonization of measurement procedures in the medical laboratory.
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