MLS(ASCP) and MLS(ASCPi)

Practice exams for the ASCP MLS certification

Nineteen full-length practice tests built to the MLS examination content guideline: 100 questions, 150 minutes, seven content areas in official weightings. Take your first complete test free.

All seven content areas, in exam proportions

Blood Banking20%
Chemistry20%
Hematology20%
Microbiology20%
Urinalysis and Other Body Fluids8%
Immunology6%
Laboratory Operations6%

Full-length timed tests

Every practice test mirrors the real MLS exam format: 100 questions in 150 minutes, spanning all seven content areas in official proportions.

Explanations for every question

Each question explains why the correct answer is right and why each distractor is wrong, so every attempt teaches something.

Content-area breakdown

Results are scored the way you study: per content area, so you can see exactly where Blood Banking ends and your Chemistry gaps begin.

AI study feedback

After each test, personalised feedback highlights your weakest areas and suggests what to study next.

Both unit systems

Results and reference ranges appear in conventional and SI units, exactly as the examination presents them.

Your first full test is free

Create a free account and take a complete 100-question practice test, no card required.

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One free full-length test. Then passes from $14.99, no auto-renewal, ever.

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MLTPrep is an independent study resource. Not affiliated with or endorsed by the ASCP Board of Certification.

ASCP MLS Practice Exams | MLTPrep