Table 3. Total prices for TB diagnostic tests in the private sector and market value in Brazil in 2012, in USD.
| Diagnostic test | Price chargedfor test | No. of tests donein private sector | % of total volume,private sector | Total value, privatesector | % of total value, privatesector |
| TST | No info | No info | |||
| IGRA | Not done | Not done | |||
| Sputum smearmicroscopy (ZN) | 18.97 | 176,482 | 78.4% | 3,348,633 | 47.6% |
| Culture (liquid)# | 50.77 | 37,124 | 16.5% | 1,884,755 | 26.8% |
| Culture (solid)# | 50.77 | 5,760 | 2.6% | 292,430 | 4.2% |
| Xpert MTB/RIF | 254.77 | 3,400 | 1.5% | 866,215 | 12.3% |
| LPA | Not done | Not done | |||
| PCR | Not info | No info | |||
| First line DST(liquid, SIRE) | 263.84 | 2,433 | 1.1% | 641,927 | 9.1% |
| First line DST(liquid, SIREP) | No info | No info | |||
| First line DST(solid, SIRE) | No info | No info | |||
| Second line DST(liquid, 4 drugs) | No info | No info | |||
| Total | 225,199 | 100% | 7,033,960 | 100% |
TST = tuberculin skin test; IGRA = Interferon gamma release assay; ZN = Ziehl-Neelsen; LPA = line probe assay; PCR = polymerase chain reaction; DST = drug susceptibility test; SIRE = Streptomycin, Isoniazid, Rifampin, Ethambutol; SIREP = Streptomycin, Isoniazid, Rifampin, Ethambuthol, Pyrazinamid; USD = United States Dollars.
Note: Private sector market value estimate using the price charged to the patient per test, as the test cost.
#
No distinction could be made between prices charged for liquid or solid culture by private laboratories; therefore all the same value was used for liquid and solid culture.