Slide for Acid Fast Bacilli (AFB) microscopic examination:
AFB2110-1: Positive; AFB2110-2: Negative; AFB2110-3: Negative
– Shipped: September 20, 2021
Participants’ results
Samples
AFB AFB2110-1 AFB2110-2 AFB2110-3
positive 7 (Acceptable) 0 0
negative 0 7 (Acceptable) 7 (Acceptable)
Total 7 7 7
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 4°C.
The AFB positive samples, AFB2110-1 consisted of 3+ (11-50/oif) Mycobacterium chelonae and Streptococcus salivarius. Negative samples AFB2110-2 and -3 consisted of Streptococcus salivarius and Moraxella catarrhalis.