Slide for Acid Fast Bacilli (AFB) microscopic examination:
AFB2007-1: Negative; AFB2007-2: Positive; AFB2007-3: Negative – Shipped July 06, 2020
Participants’ results
Samples
AFB AFB2007-1 AFB2007-2 AFB2007-3
positive 0 5 (Acceptable) 0
negative 5 (Acceptable) 0 5 (Acceptable)
no report 1 (Unacceptable) 1 (Unacceptable) 1 (Unacceptable)
Total 6 6 6
CMPT QA/QC
All samples were produced by CMPT. Samples were randomly selected for QC/QA. Statistical analysis is not applicable. Unstained samples are homogenous and stable for at least 30 days at 4oC.
The AFB positive sample, AFB2007-2, consisted of 3+ (11-50/oif) Mycobacterium chelonae and Streptococcus salivarius.
The AFB negative samples, AFB2004-1 and -3, consisted of Streptococcus salivarius and Moraxella catarrhalis.
