What does a borderline t spot test mean?

Indeterminate Test: T spot test only tells us that a person has been infected by TB Bacteria and does not tell us if one has a latent or active TB Disease.A borderline t spot test needs to be repeated,and if it still comes as borderline or indeterminate.I will order a chest xray especially in high risk group of patients,like immigrants from countries with high incidence of TB,HIV positive patients.homeless and IV Dru