FRCPath Haem Part 1 MCQs-NEQAS UK 479

An external quality assessment (EQA) sample is distributed for a laboratory test. The laboratory's result is compared with the designated target value and the performance is expressed as a Deviation Index (DI).

The laboratory receives the following EQA result:

Deviation Index = +2.6

Which ONE of the following is the most appropriate interpretation?

A. Excellent performance; no action required

B. Good performance; continue routine monitoring

C. Satisfactory performance; no immediate investigation required

D. Borderline performance; investigate possible causes and review trends

E. Poor performance requiring urgent corrective action