Medical Laboratory Science Major
Medical Laboratory Science is the study of how to perform and interpret laboratory tests that guide medical care. It is a major within Health & Medicine.
Medical Laboratory Science is the study of laboratory testing and analysis that supports patient diagnosis and treatment. Students learn how to perform blood tests, analyze tissue samples, culture microorganisms, and conduct other tests that doctors use to identify diseases and monitor health. The major focuses on understanding the chemical, cellular, and microbial foundations of these tests, learning to operate laboratory equipment correctly, and interpreting results accurately. Students develop skills in precise measurement, quality control, and clear documentation, since errors in the laboratory can affect patient care.
Students drawn to this major typically enjoy hands-on scientific work and attention to detail. They are often interested in how things work at a cellular or chemical level and want to contribute to medicine in a direct but behind-the-scenes role. The curriculum typically begins with foundational courses in chemistry, biology, and microbiology, then progresses to laboratory-specific coursework where students learn techniques and theory together. As the major advances, coursework becomes more specialized and clinically focused, often including supervised laboratory experience where students work with real patient samples under professional guidance.
Typical coursework
Course requirements vary by school, but a Medical Laboratory Science program commonly includes topics such as:
- Clinical chemistry
- Hematology
- Microbiology
- Immunology
- Blood banking
- Molecular diagnostics
Most programs also include general-education requirements and, in many fields, a capstone project, internship, or research experience.
Degree levels
Medical Laboratory Science is commonly offered at these levels:
- Associate
- Bachelor's
Availability differs by institution, and program names can vary (for example, a Bachelor of Arts versus a Bachelor of Science track).
Common career directions
Graduates with a Medical Laboratory Science background pursue a range of paths. Some roles related to this field of study include:
- Medical laboratory scientist
- Clinical lab technologist
- Lab supervisor
Many careers require additional steps beyond the major — such as a graduate degree, a license, or a certification — and many graduates work in fields unrelated to their major. What you study is one factor among many in where your career goes.
General career information is drawn from the U.S. Bureau of Labor Statistics Occupational Outlook Handbook. Career paths vary widely by person, school, and region; this is not a list of guaranteed jobs or earnings.
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Find degree programs →Frequently asked questions
What is a Medical Laboratory Science major?
Medical Laboratory Science is the study of how to perform and interpret laboratory tests that guide medical care. It is part of health & medicine, and combines foundational coursework with more focused study as you advance.
What courses do Medical Laboratory Science majors take?
Coursework varies by school, but commonly includes topics such as clinical chemistry, hematology, microbiology, immunology, and others, plus general-education requirements.
What can you do with a Medical Laboratory Science major?
Graduates pursue a range of paths, including roles such as medical laboratory scientist, clinical lab technologist, lab supervisor. Many roles require additional steps such as a graduate degree, license, or certification. This is general information, not a guarantee of any job or salary.
What degree levels is Medical Laboratory Science offered at?
It is commonly offered at the associate, bachelor's level, though availability varies by institution.