ABMM Exam Hub
Key dates and fees official
- Applications open year-round. Deadlines: 1 Feb (experience path), 1 Mar (CPEP or fellowship paths)
- Application fee $450 for ASM members, $575 for others (non-refundable). Exam registration $400 once approved
- Registration 15 Apr – 24 Jun · Exam window 1–30 Jun · Scores 1 Sep
- Source: ASM application instructions
Eligibility official
- An accepted doctorate (DCLS and PharmD not accepted)
- Plus one: 3 years of director-level experience, 2 years of CPEP training, or an ACGME, CCM or RCPSC programme, all completed after the doctorate
- You can apply if you’ll finish within 60 days after the exam
- Source: ABMM eligibility PDF (2023)
Exam format official
- 200 single-best-answer questions in 6 hours, computer-based, at Kryterion test centres worldwide
- Testing 44.5% · Consulting 25% · Administration 19% · Safety 11.5% (outline updated Oct 2023)
- Source: ABMM exam information
Pass rates official
| Year | Examinees | Passed | Overall | First-time |
|---|---|---|---|---|
| 2026 | 48 | 14 | 29% | 35% |
| 2025 | 45 | 26 | 57% | 67% |
| 2024 | 50 | 24 | 48% | 66% |
| 2023 | 49 | 35 | 71% | 73% |
| 2022 | 53 | 29 | 55% | 76% |
Source: ABMM Exam Information PDF
Resources
- Official suggested references: Manual of Clinical Microbiology 12e, Koneman 7e, Larone 7e, BMBL 6e, CLSI M100/M60/QMS04, Red Book, CLIA, CDC DPDx official
- MMWR, CDC and CLSI sites, and case reports official
- ASM Microbe board review course peer Reddit, Jan 2024
- APHL Lab Director Board Exam Boot Camp APHL
Recommended books
Manual of Clinical Microbiology, 4 Volume Set (ASM Books)13th edition · ASM PressView on Amazon ›
Koneman’s Color Atlas and Textbook of Diagnostic Microbiology7th edition · Wolters KluwerView on Amazon ›
Larone’s Medically Important Fungi: A Guide to Identification7th edition · ASM PressView on Amazon ›This page contains affiliate links. If you buy through them, we may earn a small commission at no extra cost to you.
Other resources
- Biosafety in Microbiological and Biomedical Laboratories (BMBL) 6th Edition · CDC / NIH
- CLSI M100 · Performance Standards for Antimicrobial Susceptibility Testing · CLSI
- CLSI M27M44S · Antifungal Susceptibility Testing of Yeasts (replaces M60) · CLSI
- CLSI QMS04 · Laboratory Design · CLSI
- Red Book · Report of the Committee on Infectious Diseases · AAP
- CLIA regulations · 42 CFR Part 493 · eCFR
- Clinical Laboratory Improvement Amendments (CLIA) · CMS
- DPDx · Laboratory Identification of Parasitic Diseases · CDC
- Morbidity and Mortality Weekly Report (MMWR) · CDC
- American Board of Medical Microbiology (ABMM) · ASM
- ABMM application instructions · ASM
Tips and cautions
- Weight your study to the blueprint. Testing and consulting make up about 70% of the exam official
- Register as soon as the window opens to get your choice of test centre official
- Use current editions, because CLSI breakpoints change every year official
- Do timed, full-length practice and review your misses by domain peer
- Pass rates fell sharply in 2026, so plan to start early official
- Avoid “dump” sites that claim to have real exam questions
Last updated 1 November 2026. Always confirm details with ASM.
