Clinical Laboratory Sciences

Stony Brook freshmen have the opportunity to declare clinical laboratory sciences as a lower division major by making an appointment to come to an information session.  Students successfully completing the lower division major are automatically advanced to the upper division professional program.  Freshmen accepted into the lower division major must complete all prerequisites with a grade of C or better by the end of the sophomore year, pass HAD 210 - Introduction to Clinical Laboratory Sciences with a grade of A- or better, and achieve both a minimum cumulative grade point average (GPA) of 2.5.

All students, except freshman declared majors , must submit an on-line application with the Allied Health Centralized Application Service (AHCAS) by the deadline (March 1) followed by a Stony Brook Supplement application by the deadline (March 15) to be considered for admission into the upper division professional program.  Students can get information about the application process at: 

Pre-Application Requirements for the Major in Clinical Laboratory Sciences

1. 3 credits of English composition
2. 3 credits of​ humanities
3. 3 credits of arts
4. 3 credits of Level 1 social and behavioral 
5. 3 credits of Level 2 social and behavioral 
6. 12 credits of chemistry with labs (including one course in organic chemistry)
7. 8 credits of biology with labs (See Note 1)
8. 3 credits of general microbiology
9. 3 credits of statistics
10. 3 credits of math

1. Students completing the courses at Stony Brook should take BIO 202, BIO 203, and BIO 204 Fundamentals of Biology.
2. Courses in anatomy, computer literacy, genetics, molecular biology, and physiology are recommended.
3. Stony Brook freshmen are eligible to declare clinical laboratory sciences as a major. In addition to the requirements listed above, students in this four-year program must successfully complete HAD 210 Introduction to Clinical Laboratory Sciences with a grade of A- or higher.
4. Graduates are eligible to take the American Society for Clinical Pathology the National Board of Certification examination to become a registered medical laboratory scientist. Please visit for further information, exam eligibility, and requirements.
5. Graduates will also need to apply to the New York State Department of Education to obtain a license to practice as a medical laboratory scientist in New York State. Please visit: for further information.
6. For any additional information, please call 631-444-3925 or visit the Clinical Laboratory Sciences Program website at:

For more information, please visit