Colony Morphology Appearances by Organism
| Organism | BA | CHOC | CNA | MAC | ANO2 | BRUC | Gram |
|---|---|---|---|---|---|---|---|
| Staph aureus | Med, white or gold, beta-heme | GPC clusters | |||||
| Beta-heme Strep | |||||||
| Enterobacterales | |||||||
| Pseudomonas aeruginosa | |||||||
| Haemophilus spp. | NG or satellitism with S. aureus | Small, gray, non-heme | GNCB | ||||
| Neisseria spp.
Moraxella spp. |
GNDC | ||||||
| Listeria | small, gray, beta-heme (faint edge of beta-hemolysis) | small GPB (no specific morphology) | |||||
| Corynebacterium spp. | ppt/sml, white, non-heme | small GPB in v's and palisades; club-shaped | |||||
| Clostridium | Double-zone beta-heme | Large GPB (boxcar) |
Reporting CMI
These are the following organisms to report for CMI:
- Haemophilus spp.
- Neisseria/Moraxella spp.
- Listeria monocytogenes
- Corynebacterium spp.
- Bacillus spp. (non anthracis)
- Lactobacillus
- Yeast?
Fastidious gram negatives
Gram positive bacilli
- LBLC