Actual State of International Standardization and External Quality Assurance for Blood Cell Counts

By: Hiroshi KONDO

3 January 2016

In hematology testing using hematology analyzer, there are no internationally certified reference materials. Therefore,an internationally recognized reference method that enables clarification of traceability of measurements is necessary because fresh blood must be used for the assurance of accuracy in hematology testing. Guidelines for the reference method are being formulated in an international framework. External quality assurance provides objective information for evaluation of the reliability of a measurement system, and standardization of the implementation of external quality
assurance is critical.

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