External Quality Assessment Schemes

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ESfEQA - Clinical Chemistry

Lyophilized samples (5 mL) of human sera with added enzymes and proteins of human origin.

ESfEQA - Hematology

2 liquid samples (minimum 2.5 mL) of whole blood. The samples contain stabilized human red blood cells, white blood cells and platelets of human and/or non-human analogs.

ESfEQA - Immunology

Lyophilized sample (minimum 3 mL) of human sera with added analytes.

ESfEQA - Microbiology

2 liquid samples (1 mL) of human plasma.