Reported Tuberculosis in the United States, 2017

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Table 7. Tuberculosis Cases and Percentages by Case Verification Criterion and Site of Disease: United States, 1993–2017

Table 7. Tuberculosis Cases and Percentages by Case Verification Criterion and Site of Disease: United States, 1993–2017
Year Total Cases Verification Criterion1 Site of Disease5
Positive Culture Positive NAA2 Positive Smear Clinical Case Definition Provider diagnosis Pulmonary3 Extrapulmonary4
No. (%) No. (%) No. (%) No. (%) No. (%) No. (%) No. (%)
1993 25,102 20,306 (80.9) 185 (0.7) 3,088 (12.3) 1,523 (6.1) 21,153 (84.3) 3,940 (15.7)
1994 24,206 19,507 (80.6) 189 (0.8) 2,917 (12.1) 1,593 (6.6) 20,318 (83.9) 3,886 (16.1)
1995 22,726 18,265 (80.4) 189 (0.8) 2,749 (12.1) 1,523 (6.7) 18,887 (83.1) 3,834 (16.9)
1996 21,210 17,154 (80.9) 131 (0.6) 2,607 (12.3) 1,318 (6.2) 17,387 (82.0) 3,814 (18.0)
1997 19,751 15,979 (80.9) 155 (0.8) 2,411 (12.2) 1,206 (6.1) 16,239 (82.2) 3,509 (17.8)
1998 18,286 14,789 (80.9) 155 (0.8) 2,253 (12.3) 1,089 (6.0) 14,801 (81.0) 3,483 (19.0)
1999 17,499 13,994 (80.0) 172 (1.0) 2,103 (12.0) 1,230 (7.0) 14,065 (80.4) 3,431 (19.6)
2000 16,308 13,013 (79.8) 148 (0.9) 1,950 (12.0) 1,197 (7.3) 13,085 (80.3) 3,211 (19.7)
2001 15,945 12,750 (80.0) 123 (0.8) 1,886 (11.8) 1,186 (7.4) 12,724 (79.8) 3,217 (20.2)
2002 15,055 11,974 (79.5) 104 (0.7) 1,822 (12.1) 1,155 (7.7) 11,901 (79.1) 3,148 (20.9)
2003 14,835 11,683 (78.8) 116 (0.8) 1,783 (12.0) 1,253 (8.4) 11,805 (79.6) 3,020 (20.4)
2004 14,499 11,327 (78.1) 80 (0.6) 1,824 (12.6) 1,268 (8.7) 11,524 (79.5) 2,971 (20.5)
2005 14,065 10,957 (77.9) 96 (0.7) 1,797 (12.8) 1,213 (8.6) 11,125 (79.1) 2,934 (20.9)
2006 13,727 10,744 (78.3) 93 (0.7) 1,629 (11.9) 1,261 (9.2) 10,852 (79.1) 2,872 (20.9)
2007 13,280 10,425 (78.5) 69 (0.5) 1,496 (11.3) 1,290 (9.7) 10,590 (79.8) 2,687 (20.2)
2008 12,889 10,020 (77.7) 18 (0.1) 60 (0.5) 1,547 (12.0) 1,244 (9.7) 10,233 (79.4) 2,652 (20.6)
2009 11,514 8,880 (77.1) 57 (0.5) 73 (0.6) 1,777 (15.4) 727 (6.3) 9,004 (78.3) 2,496 (21.7)
2010 11,100 8,412 (75.8) 107 (1.0) 69 (0.6) 1,867 (16.8) 645 (5.8) 8,676 (78.2) 2,420 (21.8)
2011 10,504 8,084 (77.0) 121 (1.2) 61 (0.6) 1,676 (16.0) 562 (5.4) 8,323 (79.3) 2,177 (20.7)
2012 9,935 7,626 (76.8) 118 (1.2) 38 (0.4) 1,639 (16.5) 514 (5.2) 7,845 (79.0) 2,080 (21.0)
2013 9,561 7,368 (77.1) 149 (1.6) 47 (0.5) 1,510 (15.8) 487 (5.1) 7,582 (79.3) 1,976 (20.7)
2014 9,398 7,232 (77.0) 161 (1.7) 45 (0.5) 1,493 (15.9) 467 (5.0) 7,462 (79.5) 1,929 (20.5)
2015 9,547 7,418 (77.7) 174 (1.8) 44 (0.5) 1,466 (15.4) 445 (4.7) 7,633 (80.0) 1,910 (20.0)
2016 9,253 7,171 (77.5) 188 (2.0) 37 (0.4) 1,381 (14.9) 476 (5.1) 7,370 (79.8) 1,871 (20.2)
2017 9,105 7,111 (78.1) 226 (2.5) 38 (0.4) 1,284 (14.1) 446 (4.9) 7,204 (79.2) 1,887 (20.8)

1 Based on the public health surveillance case definition for tuberculosis; see Appendix A.
2 Nucleic Acid Amplification test.  Information not collected before 2008.
3 Includes all cases among persons with pulmonary as the only site of disease, and persons with both pulmonary and extrapulmonary sites of disease.
4 Includes cases among persons with extrapulmonary TB disease only.
5 Excludes missing and unknowns.
Note:  See Technical Notes.
Data for all years updated through June 1, 2018.               

Page last reviewed: October 22, 2018