AFB1904

Slide for Acid Fast Bacilli (AFB) microscopic examination:

AFB1904-1: Positive,  AFB1904-2: Negative,  AFB1904-3: Positive

– Shipped April 08, 2019

Participants’ results

 Samples
AFBAFB1904-1AFB1904-2AFB1904-3
positive6 (Acceptable)06 (Acceptable)
negative 06 (Acceptable)0
Total666

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.

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