Slide for Acid Fast Bacilli (AFB) microscopic examination:
AFB2204-1: Positive; AFB2204-2: Positive; AFB2204-3: Negative
– Shipped April 11, 2022
Participants’ results
Samples
AFB AFB2204-1 AFB2204-2 AFB2204-3
positive 7 (Acceptable) 7 (Acceptable) 0
negative 0 0 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 6 months at 4°C.
The AFB positive samples, AFB2204-1 and AFB2204-2 consisted of 3+ (11-50/oif) Mycobacterium chelonae and Streptococcus salivarius. Negative sample AFB2204-3 consisted of Streptococcus salivarius and Moraxella catarrhalis.
ISO17043