Slide for Acid Fast Bacilli (AFB) microscopic examination:
AFB1904-1: Positive, AFB1904-2: Negative, AFB1904-3: Positive
– Shipped April 08, 2019
Participants’ results
Samples
AFB AFB1904-1 AFB1904-2 AFB1904-3
positive 6 (Acceptable) 0 6 (Acceptable)
negative 0 6 (Acceptable) 0
Total 6 6 6
CMPT QA/QC
Samples were randomly selected for QC/QA.
Unstained samples are homogeneous and stable for at least 30 days at 4°C.
AFB negative sample, AFB1904-2, consisted of Streptococcus salivarius and Moraxella catarrhalis.
AFB positive samples, AFB1904 -1 &-3, consisted of 3+ (11-50/oif) Mycobacterium chelonae and Streptococcus salivarius.
Statistical analysis is not applicable.
