The distinction between misdiagnosis and diagnostic error has both scientific and legal significance for clinicians. Misdiagnosis refers specifically to incorrectly identifying a patient’s condition, sometimes occurring despite reasonable care and thorough evaluation, especially in cases with atypical presentations. In contrast, diagnostic error is a broader category that includes missed, delayed, or incorrect diagnoses and often points to failures in clinical reasoning, communication, or systems processes.
From a medicolegal perspective, not all diagnostic errors amount to negligence; however, this subtlety is not always appreciated in legal proceedings, where documentation of the diagnostic thought process becomes pivotal. Courts scrutinize whether differential diagnoses were considered, if diagnostic protocols were followed, and if timely referrals or follow-up actions were taken.…
