Testing of Patient Sample or Reference Material Using Competitor's Device

**Semantic type:** Functional Concept

**Definition:** The investigation employed relevant empirical testing of a patient sample or reference material using a competitor's device that is comparable to the device (usually an IVD) involved in the reported adverse event in order to support the identification of possible causes for the adverse event. Relevant testing would typically be based on test methods used for evaluating safety and performance as described in the latest relevant standards.