infection without disease. + PPD, no symptoms, neg CXR, neg bacteriologic
* Class III – Clinically active / disease. + PPD, sputum, symptomatic
* Class IV – TB but not clinically active: + PPD, history of TB, asymptomatic
* Class V – TB suspect, pending dx no more than three months
* Reactivation of LTBI
* 10 – 20 years after infection, includes 90% of non-HIV adult cases
* Medication (Immunosuppressant)
* Cancer, HIV, ESDR (End Stage Renal Disease), untx. Class III…
Words 934 - Pages 4