![]() Generally, the cost for WBT is greater than that of a chest X-ray. TB WBT may also be offered by these same agencies. TST is available from USA Student Health Services, county public health departments, Recommended practice since individuals with latent (dormant) TB infections can demonstrateĪ negative one-step TST result when tested years after the initial infection. Reading it is is followed 1-3 weeks later by a second TST (2nd step). Here, a primary TST (1st step) is performed. Later reclassified as Category I must receive TST before entering an at-risk clinicalĪ two-step TB skin test is normally accomplished before entering low and/or medium risk settings. May be increased as specified by the individual clinical site. Student training in excess of 12-months while in an at-risk setting require additional TST. Annual (12-month) follow-up testing is required for all Category I personnel.Īll CAHP students are required to obtain a baseline tuberculosis skin test (TST) before entering their professional program component.
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