United States (DO) · Pass / fail

COMLEX Level 1

Foundational biomedical sciences integrated with osteopathic principles and practice.

At a glance

FormatOne-day computer-based exam of single-best-answer clinical vignettes in timed sections.
ScoringReported as pass/fail since May 2022.
What it testsFoundational biomedical sciences integrated with osteopathic principles and practice.
  • Taken by students at colleges of osteopathic medicine.
  • Osteopathic principles and practice, including osteopathic manipulative treatment, are integrated into questions.
  • Many DO students also sit USMLE Step 1; the content overlaps but the style differs.

Exam formats, dates, fees and rules change. Always confirm them with NBOME before you book. Medverion is independent and not affiliated with any exam body.

In our question bank

43 questions are tagged for COMLEX Level 1. Questions per system (top 8):

Cardiovascular5
Hematology & oncology4
Nervous system4
Immunology4
Respiratory3
Renal3
Endocrine3
Musculoskeletal3