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Medical Laboratory Sciences (BS)

What makes a person sick is often a puzzle to be solved. Every patient gives clues that a trained medical laboratory scientist can use to help determine the underlying cause of the disease. As a science student, you’ve always been curious, and you ask the hard questions: How does the world work at the most minute level? How do diseases spread and our bodies fight them? Can we tell before birth if a baby will have chromosomal or genetic defects?

When you earn a degree in medical laboratory sciences from Fontbonne University, you can spend your career running laboratory tests that help find treatments and cures for people who are sick. In this highly specialized field, you will be part of a diagnostic team working with pathogens, cells, tissues and genes to determine causes of disease.

Why the Medical Lab Sciences Program with Fontbonne?

Fontbonne University has partnered with accredited, teaching-hospital laboratories to offer students the basic science background and the clinical experience needed to be part of this exciting field. Please note that clinical internship placements, which are required for the MLS major, are awarded on a competitive basis and cannot be guaranteed by the university. A list of current partnering institutions can be obtained by contacting the department.

One full year of clinical instruction at a partnering hospital is required.  After completing the MLS degree, the student is eligible to sit for the American Society for Clinical Pathology (ASCP) MLS certification examination.

THE BIOLOGY CORE (15 credits)

BIO 112      General Biology I with Lab (counted as GER)*

BIO 114      General Biology II with Lab (4 credits)

BIO 196      Biology Seminar I (2 credits)

BIO 212      Genetics (3 credits)

BIO 224        Introduction to MLS (3 credits; taken at Mercy Hospital**)

BIO 318      Cell and Molecular Biology (3 credits)

**Only two students/year will be enrolled in this course, chosen on a competitive basis



Organismal Biology  3 courses required (12 credits)

BIO 250     Microbiology with Lab (4 credits)

BIO 220     Anatomy and Physiology I with Lab (4 credits)

BIO 222     Anatomy and Physiology II with Lab (4 credits)

Cell and Molecular Biology 2 courses required

CHM  318   Biochemistry (3 credits)

BIO    322   Immunology (3 credits)

Courses Required in Chemistry

CHM 106   General Chemistry I with Lab (counted as GER)

CHM 108   General Chemistry II with Lab (4 credits)

CHM 210   Organic Chemistry I (3 credits)    

CHM 211   Organic Chemistry I Laboratory (2 credits)

CHM 318   Biochemistry (counted above as a Cell and Molecular elective)

Optional Chemistry courses (required to complete chemistry minor)

CHM 212   Organic Chemistry (3 credits)

CHM 213   Organic Chemistry II Laboratory (2 credits)

Courses Required in Mathematics and Computer Science (3 credits)

MTH 125   Biostatistics (3 credits)**

MTH 150   Calculus with Analytic Geometry I (counted with GER) (note: this course has prerequisites of MTH 110 or both of MTH105 and MTH108) 

**MTH 115 can be substituted for MTH 125

Courses Required in Physics (8 credits)

PHY 208 College Physics I with Lab (4 credits)


PHY 210 College Physics II with Lab (4 credits)


PHY 218 Engineering Physics I with Lab (4 credits)


PHY 220 Engineering Physics II with Lab (4 credits)

Courses Required in Medical Laboratory Sciences (2 semesters or 24 credits)

The Medical Laboratory Internship includes lectures and experiential training in the laboratory techniques and procedures utilized in a hospital setting.   Fontbonne University is a partner with NAACLS-accredited teaching clinical laboratories to provide these opportunities, however acceptance into an internship is highly competitive and not guaranteed by the university.  In the absence of an internship, students would complete the degree in Biology and have the option of pursuing the double major with MLS (see below).


BIO 413 Exit Exams (0 credits);

Any religion or theology course;

Completion of all General Education Requirements, including a Bridge course and two courses that are designated writing intensive.


For students wishing to double major by combining all of the requirements for the Biology major and the MLS major, the 32 credits of the fourth year will include the following:

BIO 496                        Biology seminar II (2 credits)

BIO 370 or BIO 271      Evolutionary Biology OR Field Ecology (3-4 credits)

BIO/CHM 495               Department Research (3-4 credits)

BIO 324 or BIO 326     Tissue Culture or Molecular techniques laboratory (3)

MTH 151 or MTH 315  Calculus with Analytic Geometry II or Advanced Statistics (3-4)

BIO, CHM or General Elective Hours (credits required will vary)

Interested in learning about other STEM programs (Science, Technology, Engineering, Math)? Explore here.

Learn more about career opportunities with the Medical Lab Sciences major

Questions? Contact Admissions: (314) 889-1400 or (800) 205-5862 | fbyou@fontbonne.edu