Society to Improve Diagnosis in Medicine: What is diagnostic error?

Summary

Diagnostic error is one of the most important safety problems in health care today, and inflicts the most harm. Major diagnostic errors are found in 10% to 20% of autopsies, suggesting that 40,000 to 80,000 patients die annually in the United States from diagnostic errors.

Patient surveys confirm that at least one person in three has firsthand experience with a diagnostic error, and researchers have found that diagnostic errors—not surgical mistakes, or medication overdoses—account for the largest fraction of malpractice claims, the most severe patient harm, and the highest total of penalty payouts.