Strengthening health security by implementing the International Health Regulations (2005)

Laboratory Quality Management System (LQMS) training toolkit

Training material

7 - Process control - Quantitative quality control

This module explains how quality control methods are applied to quantitative laboratory examinations, and how to organize a quality control program for quantitative tests.

At the end of this module, participants will be able to:

  • differentiate accuracy and precision;
  • select control material for a specified examination method;
  • establish acceptable control limits for a method when only one level of control material is available;
  • explain the use of a Levey-Jennings chart;
  • give two examples of rule violations using Westgard Multirule System;
  • describe how to correct “out of control” problems.


Material for the trainers

Material for the participants

Optional material for the trainers