The following information is quoted directly from a USCIS Adjudicator's Field Manual:
"Tuberculosis, active. Only a Class A tuberculosis (TB) diagnosis renders an applicant inadmissible to the U.S. Under current CDC guidelines, Class A TB means tuberculosis that is clinically active and communicable."
For more information: http://www.uscis.gov/archive/archive-news/questions-and-answers-2009-update-tuberculosis-screening-required-adjustment-status-0
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This is a very delicate situation, and of course, you need to contact an immigration attorney that can help you with any and all issues that may come up. Most attorneys offer free consultations, whether they be via phone or Skype—and that’s something you would definitely benefit from. Review the Medical Grounds of Inadmissibility, and also, there is a waiver for such grounds.
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