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Mycobacteriology Laboratory

Mycobacteriology Proficiency Testing Program

October 2005

Sample preparation (strains used):
SAMPLE #GROWTH DETECTION / IDENTIFICATIONSOURCE
SP 0561No acid-fast bacilli present 
SP 05621Acid-fast bacilli presentM. tuberculosis(Patient sample IS 250288)
SP 0563No acid-fast bacilli present
SP 05641Acid-fast bacilli presentM. gordonae2 / contaminants3(ATCC 14470)
SP 05651Acid-fast bacilli presentM. bovis / contaminants3(Patient sample IS 210720)

1 These samples were selected for the identification score
2 Sample not validated
3 S. sanguis, B. cereus

Sample preparation (strains used):
SCORES[Growth Detection / Identification]
 SP 0561SP 0562SP 0563SP 0564SP 0565
M. bovis-20/10--20/20
M. bovis BCG----20/15
M. tuberculosis-20/20--20/10
M. tb complex-20/204--20/204
M. tb complex not M. tb-20/10--20/204
M. gordonae---20/20-
M. marinum----2-
NTM-20/0-20/2020/0
No Growth200/2020-20/20
Other5

4 General, and General-S: 20/15
5 Score varies according to the information provided

Sample preparation (strains used):
SAMPLE #IDENTIFICATIONSOURCE
Restricted, Restricted-S
IS 0571M. tuberculosisATCC 25177
IS 0572M. africanumPatient sample (IS 210271)
General, General-S
IS 0573M. tuberculosis (Mono-Resistant PZA)Patient sample (IS 250288)
IS 0574M. africanumPatient sample (IS 210271)

Sample preparation (strains used):
SCORES[Identification]
 IS 0571IS 0572IS 0573IS 0574
M. bovis--1010
M. bovis BCG-10-10
M. tuberculosis20102010
M. tb complex20201515
M. tb complex not M. tb-201020
M. africanum-20-20
NTM-0--
Contaminated----
M. bovis and M. abscessus--5-
No Growth--0-