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COMLEX-USA

Osteopathic medicine
in the United States

Andrew Taylor Still, M.D. (founder)

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COMLEX-USA or Comprehensive Osteopathic Medical Licensing Examination is a series of three osteopathic medical licensing examinations administered by the National Board of Osteopathic Medical Examiners (NBOME) similar to the United States Medical Licensing Examination (USMLE). COMLEX-USA is the most common pathway by which osteopathic physicians (D.O.'s) apply for licensure, and is accepted in all 50 states. The 3-digit standard scores of COMLEX-USA Level 1, Level 2-CE, and Level 3 have a mean of 500.

Level One

Step one is taken after the second year of medical school. It is administered in one day and consists of two, four-hour exam sessions separated by a 40-minute break. Each four-hour session also includes a ten-minute break. Candidates are expected to know the basic mechanisms of health and disease process. Specifically, level one covers basic medical sciences, including:

Level Two

Level two, taken during the fourth year of medical school, consists of two parts: Level 2-CE and Level 2-PE. Level 2-CE requires candidates to demonstrate knowledge of clinical concepts and medical decision-making. It is problem-based and symptoms-based, integrating the clinical disciplines of:

Level 2-PE was introduced in 2005. It is a one-day, seven-hour exam and utilizes standardized patients (actors trained to present clinical symptoms) to test clinical skills. Specifically, candidates must demonstrate proficiency in: