Pediatric emergency medicine trisk 2383 2383

e-TABLE 94.16
TUBERCULIN SKIN TEST INDURATION CONSIDERED POSITIVE
BASED UPON EPIDEMIOLOGIC OR OTHER RISK FACTORS
≥5 mm
Contact with persons with
infectious TB
Child with an abnormal
radiograph or in whom
tuberculosis disease is
suspected
HIV infected or other
immunocompromised
patient

a High-risk

≥10 mm
Birth or residence in a highprevalence nation
Age <4 yrs old

≥15 mm
No risk
factors b

Certain medical comorbidities
(e.g., diabetes mellitus,
silicosis, renal disease)
Member of a local high-risk
group based on local
epidemiology
Close contact with high-risk

adults a
Residence in a long-term care
facility or correctional
facility

adults: foreign-born persons from high-prevalence nations; residents or employees of high-risk
congregate settings (e.g., correctional facilities, homeless shelters, drug treatment centers).
b Ideally, persons without TB risk factors would not be tested according to American Thoracic Society
guidelines.