Tuberculosis classification system (US)

As of April 2000, the American clinical classification system for tuberculosis (TB) is based on the pathogenesis of the disease. Health care providers should comply with local laws and regulations requiring the reporting of TB. All persons with class 3 or class 5 TB should be reported promptly to the local health department.

CDC TB classification for immigrants and refugees

The U.S. Citizenship and Immigration Services has an additional TB classification for

immigrant Immigration is the international movement of people to a destination country of which they are not usual residents or where they do not possess nationality in order to settle as permanent residents. Commuters, tourists, and other short- ...

s and

refugee A refugee, according to the United Nations High Commissioner for Refugees (UNHCR), is a person "forced to flee their own country and seek safety in another country. They are unable to return to their own country because of feared persecution as ...

s developed by the

Centers for Disease Control and Prevention The Centers for Disease Control and Prevention (CDC) is the National public health institutes, national public health agency of the United States. It is a Federal agencies of the United States, United States federal agency under the United S ...

(CDC). The ''B notification program'' is an important screening strategy to identify new arrivals who have a high risk for TB.Revised CDC TB Classification system for overseas screening of immigrants and Refugees with Class B1/B2 TB Conditions
. State of Wisconsin, Department of Health Services, Division of Public Health, International Health and Respiratory Disease Unit, Bureau of Communicable Diseases and Emergency Response. September 29, 2009. Accessed 2011-07-27. {, class="wikitable" , + United States Immigrant/Refugee TB Classification - revised 2009 ! Class !! Description , - ! None , No TB Classification (Normal) , - ! A , TB with positive sputum smear (considered infectious; requires a waiver to enter US) , - ! B1 , Overseas evidence of TB with negative sputum smear (considered non-infectious; includes pulmonary and extrapulmonary); includes "old healed TB" and previously treated TB , - ! B2 , Latent TB Infection (LTBI) defined as

tuberculin skin test The Mantoux test or Mendel–Mantoux test (also known as the Mantoux screening test, tuberculin sensitivity test, Pirquet test, or PPD test for purified protein derivative) is a tool for screening for tuberculosis (TB) and for tuberculosis dia ...

≥ 10 mm , - ! B3 , TB contact

References

Tuberculosis Tuberculosis Classification System

Tuberculosis classification system (US)

CDC TB classification for immigrants and refugees

See also

References