Serology and NAT studies

A laboratory is classified as ‘satisfactory’ if:

• all core-positive and core-negative samples are correctly determined as ‘reactive’ or ‘non-reactive’, respectively;
• the ratios interpreted from the raw data provided are correct;
• the ratios obtained are concordant/coherent for the samples serially diluted from the same source material.

Immuno-haematology studies

A laboratory is classified as ‘satisfactory’ if all core-positive samples are correctly characterised/found positive.