4. AOACRIMicroMethods-2018Awards

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1430  C rowley et al . : J ournal of AOAC I nternational V ol . 95, N o . 5, 2012

Table 3.  Inclusivity panel results a

Collaborating laboratory

Gram reaction

Culture medium b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Organism

ID No.

125274 Gram-positive rods CBA + + + + + + + + + + + + + + + + + + + + TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + + 12524 Gram-positive rods CBA + + + + + + + + + + + + + + + + + + + + TSA + + LD c + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + +

Listeria grayi

Listeria innocua

Listeria ivanovii ssp . Ivanovii

12913 Gram-positive rods CBA + + + + + + + + + + + + + + + + + + + +

TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + +

Listeria ivanovii ssp . Londoniensis

12914 Gram-positive rods CBA + + + + + + + + + + + + + + + + + + + +

TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + +

12502 Gram-positive rods CBA + + + + + + + + + + + + + + + + + + + + TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + +

Listeria monocytogenes

6217 Gram-positive rods CBA + + LD d NT e + + + + + + LD d

+ + + + + + + + + TSA + + + NT + + + + + + + + + + + + + + + + TSAB + LD d + NT + + + + + + + + LD d + + + + + + +

Listeria seeligeri

12517 Gram-positive rods CBA + + + + + + + + + + + + + + + + + + + + TSA + + + + + LD d + + + + + + + + + + + + + + TSAB + + + + + + + + LD d LD d + + LD d + + + + + + +

Listeria welshimeri

13889 Gram-positive cocci

CBA + + + + + + + + + + + + + + + + + + + + TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + +

Staphylococcus hyicus

16409 Gram-positive cocci

CBA + + + + + + + + + + + + + + + + + + + +

Staphylococcus intermedius

TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + + CBA + + + + + + + + + + + + + + + + + + + + TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + LD f LD f + + + + + + LD f + + CBA + + + NT + + + + + + + + + + + + + + + + TSA + + + NT + + + + + + + + + + + + + + + + TSAB + + + NT + + + + + + + + + + + + + + + +

8819 Gram-positive cocci

Staphylococcus aureus

8852 Gram-positive cocci

Staphylococcus aureus

8890 Gram-positive cocci

CBA + + + + + + + + + + + + + + + + + + + +

Staphylococcus epidermidis

TSA + + + + + + + + + + + + + + + + + + + + TSAB + + + + + + + + + + + + + + + + + + + +

a  + = Culture was correctly identified by the collaborating laboratory. b  CBA = Columbia agar with 5% sheep blood, TSA = Trypticase soy agar, TSAB = Trypticase soy agar with 5% sheep blood. c  Low discrimination between L. innocua/L.welshimeri reported by VITEK 2; supplemental tests were conducted to report final identification. d  Low discrimination between L.seeligeri/ivanovii/welshimeri reported by VITEK 2; supplemental tests were conducted to report final identification. e  NT = Not tested. Isolate was not identified as Gram positive and thus not tested on the VITEK 2 GP card. f  Low discrimination between S. aureus/S. intermedius reported by VITEK 2; supplemental tests were conducted to report final identification.

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