Medical Laboratory Scientist (MLS) Examination — ASCP Board of Certification
The MLS(ASCP) certification exam validates competency across all major clinical laboratory disciplines including blood banking, chemistry, hematology, microbiology, immunology, urinalysis, and laboratory operations. It is administered as a 100-question Computer Adaptive Test (CAT) by the ASCP Board of Certification.
30
Questions
35 min
Time Limit
70%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds