Testing is defined as "Technical procedure consisting of the determination of one or more characteristics of a given product, process service, in accordance with a specified procedure".

Complex problems are made simpler by separating them into more understandable elements. This involves the identification of purposes and facts, the statement of defensible assumptions, and the formulation of conclusions"

To ensure quality service delivery, laboratories should have the right infrastructure in terms of equipments, technical staff, relevant accreditations, quality systems and IT support depending upon the type of laboratory.

Information on proficiency testing, reference materials, test methods and validation becomes critical for new laboratories to establish themselves both technically and commercially.