Top FDA-483, Warning Letter Observations

A MasterControl white paper analyzed medical device data from 2017 through 2019 to determine the most common FDA observations that lead to a form FDA-483 or Warning Letter. The paper says the most common observations involved these processes:

  • corrective and preventive action;
  • customer complaints;
  • purchasing controls;
  • medical device reporting procedures; and
  • process validation.

The paper goes into detail with examples of what is involved in each of the processes.

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