CULTURE, AFB/TB (ACID FAST BACILLI)
Place specimen in a screw-capped, sterile container and send refrigerated. Send 3 separate sputum samples collected 8-24 hours apart, preferably 24 hours apart.
Note: Specimen Source Is Required On Request Form For Processing. Swabs are unacceptable for AFB.
(Test includes stain & smear)
Room Temperature 24 hours; Refrigerated 7 days
Negative results available in 42 days; Positive results require additional testing.
Isolation and identification of mycobacteria, including M. tuberculosis.