Keystone College Policies

Tuberculosis Screening Policy

All full time students (12 credits or more) are required to complete a TB Risk Assessment and Screening Tool forms biennially. As per the instructions on the Student Health History form, students deemed “high-risk” by their health care provider and Health Services must then have a tuberculosis (TB) skin test or Interferon Gamma Release Assay (IGRA) testing preformed.  Anyone testing positive, must then have a chest x-ray done.  All test results must be completed and results forwarded to Health Services prior to the student moving into the residence halls and/or starting classes.  Students majoring in Education MUST have a TB skin test or Interferon Gamma Release Assay (IGRA) completed yearly to do observation hours.

About the Test

The tuberculosis (TB) skin test (also known as a PPD or Mantoux) is NOT a vaccine. The TB test is only designed to help diagnose those who have been infected with TB (most of whom are not sick and have no symptoms) and should be completed yearly.  The TB test involves injecting a small amount of a protein from the bacterium under the skin on the forearm. There are no live bacteria in this injection, and it cannot cause any disease. The patient then returns in 48-72 hours to have their arm checked.

If the body recognizes the protein (meaning infection with the TB bacterium has occurred), it will respond by causing a "bump" to appear around the injection site. The clinician will then measure how large this bump is. A small bump may be normal, while a larger bump almost always signifies infection - but not necessarily illness.


 The only significant adverse reaction to this test is an abnormally large swelling in the forearm that may occur in those who have positive tests. This reaction is rare, and is usually treatable with cortisone type creams. On very rare occasions the reaction may lead to some of the skin dying and peeling off.  While there is no reason to suspect that the test would harm a developing fetus, pregnant women should probably postpone routine testing.

You may have the test done through our office or your primary healthcare provider.  Cost of test at Health Services is $10 (NO SKIN TESTING ADMINSTRATION DONE ON THURSDAYS).


Revised 12/19/12 amo

Contact Information

Department of Health Services
Phone: 570-945-8255