| Step | Focus | Length | Scoring |
|---|---|---|---|
| Step 1 | Basic sciences applied to medicine | 1 day (~8 hours) | Pass/fail |
| Step 2 CK | Clinical knowledge, diagnosis and management | 1 day (~9 hours) | 3-digit score; 218 passes |
| Step 3 | Independent practice, including case simulations | 2 days | 3-digit score; 200 passes |
Osteopathic (DO) students take COMLEX-USA, and many also take the USMLE.
USA USMLE Exam: Quick Facts
- Sponsors
- FSMB and NBME
- Step 1
- About 8 hours; pass/fail
- Step 2 CK
- About 9 hours; 218 to pass
- Step 3
- 2 days; 200 to pass
- Fees (2026)
- Step 1/2 CK $695 · Step 3 $955
- Test centers
- Prometric (Step 3 in the U.S. only)
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