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Career Change to Medical Laboratory Science: Prerequisites Guide | PrereqCourses.com
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🔬 Career Changer Guide

Career Change to Clinical Lab Science: The Complete Prerequisite Guide

Non-science background? You can still enter clinical laboratory science. Here's the full prerequisite picture for every credential pathway — MLS, MLT, PathA — and how to complete it while working.

$59K+Median MLS salary (BLS 2024)
11%Job growth through 2032
Route 2Non-lab degree pathway to MLS(ASCP)
12–18 moTypical prerequisite completion timeline
🏛HLC Regionally Accredited (UIU)
ASCP & NAACLS Program Accepted
📅Start Any Month — Self-Paced
🎓Official UIU Transcript
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Which Pathway Is Right for Your Background?

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ASCP Route 2 (Have a bachelor's degree)

If you have any non-laboratory bachelor's degree, Route 2 is your fastest path to MLS(ASCP) certification. Complete 16 biology + 16 chemistry credits from a regionally accredited institution, then sit for the MLS(ASCP) BOC exam. No MLS program enrollment required.

ASCP Route 2 Guide →
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NAACLS MLS Program (Earn the degree)

NAACLS-accredited MLS programs (bachelor's level) admit career changers who have completed prerequisite coursework. The program itself is typically 1–2 years and prepares you for MLS(ASCP) certification. More structured than Route 2 but provides the full MLS degree credential.

MLS Prerequisites Hub →
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Pathologists' Assistant (Highest ceiling)

PathA is one of healthcare's highest-paid allied health specialties. Career changers can qualify with a non-science bachelor's degree plus the complete PathA prerequisite stack, including Organic Chemistry. Programs are highly competitive but accessible to motivated career changers.

PathA Prerequisites Guide →
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MLT First (Then bridge to MLS)

Some career changers enter as Medical Laboratory Technicians (associate degree) first, then bridge to MLS. This path gets you working in the lab faster but requires fewer prerequisites upfront. The downside: MLT salary is lower and the bridge adds time later.

MLT-to-MLS Bridge Guide →

Recommended Prerequisite Sequence for Career Changers

Starting from a non-science background, here is the recommended build order — designed to complete in 12–18 months studying part-time.

1

Months 1–4

General Biology I & II. Start here — it's foundational and the most manageable intro to science prerequisites.

2

Months 3–8

General Chemistry I & II. Overlap with Bio II if you can. Chemistry is the longer build — start early.

3

Months 6–12

Microbiology + Genetics. Complete your 16 biology credits and add direct clinical relevance.

4

Months 10–18

Biochemistry (or Organic Chemistry for PathA). Finish your 16 chemistry credits. You're ready to apply.

Frequently Asked Questions

Yes. ASCP Route 2 was specifically designed for individuals with non-laboratory bachelor's degrees who want to enter the field. The route recognizes that career changers bring valuable professional experience and simply need the scientific foundation. Many practicing MLS professionals entered through Route 2 from business, education, liberal arts, and other non-science backgrounds.
Starting from zero science background, completing the ASCP 16+16 prerequisites typically takes 12–18 months studying part-time (10–15 hours/week). If you have some prior science credits from your undergraduate degree, it can be faster. The self-paced format means you control the timeline — there is no fixed semester schedule to follow.
It is one of the strongest career change targets in healthcare for several reasons: (1) the 11% projected job growth through 2032 is well above average, (2) the prerequisite load is substantial but manageable compared to medical or PA school, (3) the credential (MLS(ASCP)) is nationally recognized and portable, and (4) the $59K+ median salary is competitive for the level of education required.

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BIO 135 Principles of Biology I w/ Lab

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Location – Online
Level Type of course – Self-paced
Price – $695.00
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BIO 270 Human Anatomy & Physiology I w/ Lab

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Level Type of course – Self-paced
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Location – Online
Level Type of course – Self-paced
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CHEM 330 Biochemistry I

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Location – Online
Level Type of course – Self-paced
Price – $675.00
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