| ETEST® MBL Imipenem/Imipenem + EDTA (IP/IPI) | 03573026548216 | Unknown class | |
| ETEST® MBL Imipenem/Imipenem + EDTA (IP/IPI) | 03573026624859 | Class B | |
| ETEST® MBL Meropenem/Meropenem + EDTA (MP/MPI) | 03573026624989 | Class B | |
| ETEST® Mecillinam (MM) | 03573026625085 | Class B | |
| ETEST® Meropenem (MP) | 03573026550219 | Class B | |
| ETEST® Meropenem (MP) | 03573026622312 | Class B | |
| ETEST® Meropenem/Vaborbactam (MEV) | 03573026563578 | Class B | |
| ETEST® Meropenem/Vaborbactam (MEV) | 03573026623999 | Class B | |
| ETEST® Metronidazole (MZ) | 03573026550455 | Class B | |
| ETEST® Metronidazole (MZH) | 03573026622329 | Class B | |
| ETEST® Micafungin (MYC) | 03573026548292 | Unknown class | |
| ETEST® Micafungin (MYC) | 03573026624873 | Class B | |
| ETEST® Minocycline (MC) | 03573026550226 | Class B | |
| ETEST® Moxifloxacin (MX) | 03573026550424 | Class B | |
| ETEST® Moxifloxacin (MX) | 03573026623968 | Class B | |
| ETEST® Mupirocin (MU) | 03573026547707 | Unknown class | |
| ETEST® Mupirocin (MU) | 03573026547714 | Unknown class | |
| ETEST® Mupirocin (MU) | 03573026624903 | Class B | |
| ETEST® Nalidixic-acid (NA) | 03573026625009 | Class B | |
| ETEST® Nalidixic Acid (NA) | 03573026547721 | Unknown class | |
| ETEST® Netilmicin (NC) | 03573026550233 | Unknown class | |
| ETEST® Nitrofurantoin (NI) | 03573026548025 | Unknown class | |
| ETEST® Nitrofurantoin (NI) | 03573026624965 | Class B | |
| ETEST® Norfloxacin (NX) | 03573026547769 | Unknown class | |
| ETEST® Norfloxacin (NX) | 03573026625023 | Class B | |
UDI Compass