An applicant presents to a civil surgeon with a history of latent tuberculosis (LTBI) that was treated with 9 months of isoniazid 5 years ago. The civil surgeon performs a tuberculin skin test (TST) which is positive. What is the correct action?
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A
Require a chest X-ray and sputum cultures before completing the I-693
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B
Document the prior treatment and interpret the TST as expected; no further TB workup is required if the applicant is asymptomatic
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C
Defer the exam and notify USCIS that the applicant has active TB
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D
Mark the applicant inadmissible due to the positive TST