This report was initially submitted following notification that a customer in (b)(6)contacted biomérieux to report a misidentification of campylobacter jejuni ssp jejuni atcc® 33560¿ as campylobacter coli in association with the vitek® 2 neisseria-haemophilus (nh) identification (id) test kit.
Investigational testing was performed using two atcc® 33560¿ strains (s1 and s2) submitted by the customer, as well as the internal biomérieux atcc® 33560¿ strain (s3).
It should be noted that this atcc® strain is not a qc strain intended for the nh id card.
Investigational testing included: vitek® ms: obtained identification to campylobacter jejuni for all three atcc® strains.
Vitek® 2 nh id (customer lot 2450185403): s1 - excellent identification to campylobacter coli.
S2 - low discrimination between campylobacter coli and c.
Jejuni ssp jejuni.
S3 - excellent identification to campylobacter coli.
Vitek® 2 nh id (random lot 245398920): s1 - excellent identification to campylobacter coli.
S2 - low discrimination between c.
Coli, c.
Jejuni ssp jejuni and c.
Fetus ssp fetus.
S3 - excellent identification to campylobacter coli.
The investigation reproduced the customer result 67% of the time.
The investigation concluded campylobacter jejuni ssp jejuni atcc® 33560¿ is an atypical strain for testing via the vitek® 2 nh id card.
As previously noted, this atcc® strain is not a qc strain intended for the nh id card.
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