How long is the overseas medical examination of aliens valid?
For applicants examined in countries using the 1991 TB Technical Instructions, the medical exam is valid for:
•1 year if the applicant does not have a Class A condition or a Class B tuberculosis (TB) condition;
•or 6 months if any of these conditions exist.
For applicants examined in countries using the 2007 TB Technical Instructions (now referred to as the Culture and Directly Observed Therapy [DOT] Technical Instructions), the medical exam is valid for:
•6 months if the applicant does not have a Class A TB, Class B1 TB, or HIV condition;
•or 3 months if any of these conditions exist.