Table 1.
Examples of common bacterial species grown in blood cultures.
| Gram-positive | Gram-negative | Yeast | |||
|---|---|---|---|---|---|
| Pathogen | Contaminant | Pathogen | Contaminant | Pathogen | |
| Aerobic | Bacillus species | Pseudomonas aeruginosa | Stenotrophomonas maltophilia* | Cryptococcus neoformans | |
| Burkholderia pseudomallei | Pseudomonas species (non-aeruginosa)* | ||||
| Acinetobacter species | |||||
| Anaerobic | Clostridium species | Cutibacterium acnes | Bacteroides species | ||
| Facultative /aero-tolerant | Streptococcus pneumoniae | Coagulase-negative Staphylococcus spp. | Escherichia coli | Candida albicans | |
| Staphylococcus aureus | Micrococcus species | Klebsiella pneumoniae | Candida glabrata | ||
| Non-typhoidal Salmonella | |||||
| Salmonella Typhi | |||||
*
Uncertainty of interpretation according to current literature.