| Bacterial Species | Reactive Probe Pairs |
| Escherichia coli | EK + EB |
| Klebsiella pneumoniae | KE + EK + EB |
| Proteus mirabilis | PM + EB |
| Pseudomonas aeruginosa | PA |
| Enterobacter species | KE + EB or EL + EB or KE + EL + EB |
| Bacterial Species | Reactive Probe Pairs |
| Escherichia coli | EK + EB |
| Klebsiella pneumoniae | KE + EK + EB |
| Proteus mirabilis | PM + EB |
| Pseudomonas aeruginosa | PA |
| Enterobacter species | KE + EB or EL + EB or KE + EL + EB |