Slide for Acid Fast Bacilli (AFB) microscopic examination:
AFB2104-1: Negative; AFB2104-2: Negative; AFB2104-3: Positive
– Shipped April 12, 2021
Participants’ results
Samples
AFB AFB2104-1 AFB2104-2 AFB2104-3
positive 0 1 (Unacceptable 7 (Acceptable)
negative 7 (Acceptable) 6 (Acceptable) 0
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 4oC.
The AFB positive samples, AFB2104-1 and -2 consisted of Streptococcus salivarius and Moraxella catarrhalis.
The AFB negative sample, AFB2104-3 consisted of 3+ (11-50/oif) Mycobacterium chelonae and Streptococcus salivarius.
