Levey-Jennings Control Charts

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Levey-Jennings Control Charts

  • Daily documentation and evaluation of quality control is vital to detection of errors.
  • One of the most commonly used methods for documentation is the Levey-Jennings control chart (L-J chart).
  • In 1931, Dr. Walter Shewhart, a scientist at the Bell Telephone Laboratories, proposed the application of statistical-based control charts to monitor industrial manufacturing processes.
  • In 1950, S. Levey and E.R. Jennings applied Dr. Shewhart's control charts to the clinical laboratory.