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4-Digit Course Numbering

Published February 28, 2015.

In Fall 2015*, all Saint Louis University course numbers transitioned to four digit numbering. Some departments simply added a zero to the end of previous numbers and some departments have changed the numbering system significantly.

Below are historical listings of the course numbering changes. Courses number changes after Fall 2015 are not reflected in the below listings.

Click below for a listing of the Course Subjects beginning with a given letter.



OT - Otolaryngology (Printable PDF)

Old 3-digit New 4-digit Title
OT - 101OT - 0101Inner Ear Vascular Density & Hearing Loss in Alport Syndrome
OT - 102OT - 0102Head & Neck Surgical Oncology
OT - 103OT - 0103Rhinology & Sinus Surgery: Office, OR and Research
OT - 104OT - 0104Humanism in the Care of Patients with Cancer
OT - 105OT - 0105Measures of Hypoxia in Cochlea
OT - 106OT - 0106Synaptic Maturation in a Model of Usher Syndrome 3A
OT - 108OT - 0108Hearing Loss in Type II Diabetes
OT - 109OT - 0109Improving Prevention & Early Detection of Oral Head and Neck Cancer
OT - 302 - Otolaryngology Career Exploration
OT - 303 - Otolaryngology self-designed Career Exploration
OT - 401OT - 0401Otolaryngology- Head and Neck Surgery
OT - 901OT - 0901Otolaryngology Direct Patient Care
OT - 902OT - 0902Otolaryngology Non-Direct Patient Care
OT - 903OT - 0903Otolaryngology Research
OT - 904OT - 0904Otolaryngology Senior Inquiry
OT - 905OT - 0905Otolaryngology Teaching


* The Department of English (ENGL subject) transitioned to four digit numbering in the Fall 2014.