0–99. Noncredit or credit courses of a remedial, terminal, or semiprofessional nature not applicable toward degree requirements.
100–299. Undergraduate, lower-division courses.
300–499. Undergraduate, upper-division courses.
500–599. Graduate courses offered primarily in support of a master’s degree but which are also available for doctoral level credit. Undergraduates of superior scholastic achievement may be admitted on approval of the instructor and department head, and they may apply to reserve these courses for later use on a graduate degree program.
600–699. Graduate courses offered principally in support of doctoral level instructional programs but also available for master’s program credit.
700–799. Professional or technical courses that may be applied toward a professional degree (such as DVM or PharmD) but not toward other graduate degrees (such as PhD).
800–899. In-service courses aimed at practicing professionals in the discipline. These courses may not be applied to graduate nor professional degree programs.