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Medical Laboratory
Certification assessments for clinical laboratory scientists and technicians.
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Qualify for clinical laboratory practice
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ExamQuestions & time
Medical Laboratory Scientist (MLS)AMT MLS · AMT
210 four-option multiple-choice questions (per the current content outline; AMT embeds unscored pretest items in its exams, and the handbook gives a 200–230 item range across AMT examinations)3.5 hoursMedical Laboratory Scientist, MLS(ASCP)MLS(ASCP) · ASCP BOC
100 questions2 hours 30 minutesMedical Laboratory Technician, MLT(ASCP)MLT(ASCP) · ASCP BOC
100 questions2 hours 30 minutesWhat you'll find
Each exam page pairs checked facts — cost, format, passing score — with real test-taker discussions, videos, and write-ups about that exact exam.