Total quality management in the in-vitro diagnostic

SUMMARY Clinical laboratory activity relies on quality assurance for all steps from the sample collection to results reporting. In the preanalytical phase, sample handling presents many key points, such as collection, identification, transportation, reception, sorting, centrifugation or aliquoting. Concerning the workcell, metrology, maintenance, quality controls, and proper written operating procedures associated with records should achieve the goals for a total quality management of the in-vitro diagnostic.