Risk factors for being infected with the TB Bacteria (latent TB infection)
Patient is not:
-an employee at a hospital, clinic, long-term care facility, lab
-a resident or employee of a prison, jail, SNF, homeless shelter.
-from a country of origin with high prevalence of TB or hasn’t visited such countries in the past five years.
Patient doesn’t have any known close contact with a person with active TB.
Risk factors for developing TB disease (i.e. progressing to active TB)
Patient doesn’t have RF for developing TB:
-Pt doesn’t have any medical conditions that weaken the immune system
–Immunodefinciency: No HIV, organ transplant, long-term corticosteroid
–Medical conditions: DM, ESRD, gastrectomy/bypass, cancer, silicosis, >10 % underweight.
–No tobacco abuse, alcohol abuse, or illicit drug abuse, IVDU, low BMI, past history of TB disease / healed TB on CXR, inadequate or incomplete prior treatment.
-Patient hasn’t been recently infected with TB (in the last two years).