Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Tuberculosis (TB) ?
    ### Response:
    The Division of Tuberculosis Elimination (DTBE) Laboratory Branch (LB) provides services for the following tests on mycobacterial cultures. Any local health department, licensed physician's office, licensed laboratory or licensed health care facility may submit cultures for testing but they must be routed through either their state health department or other authorized facility.
    