Biomérieux internal investigation was conducted.The gram-positive knowledge base uses seven (7) tests (dxyl, phos, dsor, lac, dman, dtre, adh2s) to distinguish between streptococcus mitis and streptococcus pseudoporcinus.Six (6) of these tests are positive for streptococcus pseudoporcinus.An increased number of atypical reactions can indicate contamination, mixed culture, use of non-recommended media or other user set up errors.However without the strain, lab reports, raw data or gp id card lot number it is not possible to further evaluate the cause of the misidentification.
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