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COMLEX-USA Level 1 (COMLEX-L1) Exam Blueprint

COMLEX-L1

NBOME

400Questions
540 minDuration
400/9–999 scale; passing varies by level (400 for Levels 1 and 2-CE, 350 for Level 3)Passing Score
$665Price
Practice COMLEX-USA Level 1 on QuizForge

Exam Domains

1 Osteopathic Principles, Practices, and Manipulative Medicine Weight not published
2 Organ Systems (cardiovascular, pulmonary, GI, renal, neuro, MSK, reproductive, endocrine) Weight not published
3 Pharmacology and Therapeutics Weight not published
4 Pathology and Microbiology Weight not published
5 Anatomy and Embryology Weight not published
6 Behavioral Sciences and Biostatistics Weight not published

Exam Details

Question TypesMultiple Choice, Single Best Answer, OSCE (Level 2-PE, suspended)
FormatLinear computer-based (Levels 1, 2-CE, 3 at Prometric); OSCE (Level 2-PE, suspended)
Online ProctoringNot available
ID RequirementsGovernment-issued photo ID required. Name on ID must match NBOME registration exactly.
RenewalNot required -- COMLEX-USA scores do not expire. DO licensure itself is subject to state board continuing medical education (CME) requirements, which vary by state.
PrerequisitesCompletion of required pre-clinical curriculum at a COCA-accredited osteopathic medical school (typically after 2nd year) (recommended)
Retake Policy60-day waiting period between failed attempts. Maximum 4 attempts per COMLEX-USA level. Candidates who exhaust attempts must petition NBOME for additional eligibility.

Official Study Resources

candidate guideCOMLEX-USA Bulletin of Information (free)
Source