Indiana Code Title 21. Higher Education § 21-40-5-4

(1) If a health care provider makes a written statement indicating the nature and probable duration of a medical condition or circumstances that contraindicate an immunization, identifying the specific vaccine that could be detrimental to the student's health.

(2) If pregnancy or suspected pregnancy is certified in a written statement from a health care provider.

(3) If a health care provider provides written documentation that the student is in the course of completing an approved schedule of all necessary doses of the vaccines required for the diseases listed in section 2 of this chapter.