| ANTIBODY | intelliPATH FLX | CONCENTRATE | PREDILUTE | |
| Mammaglobin (M) | IP 269 G10 | N/A | PM 269 AA, H | |
| MART-1 Cocktail | IP 077 G10 | CM 077 A, B, C | PM 077 AA, H | |
| Melanoma Cocktail | N/A | CM 078 A, B, C | PM 078 AA, H | |
| Microglia (Iba1) | N/A | CP 290 A, B, C | N/A | |
| MLH-1 | IP 220 G10, G20 | CM 220 AK, BK, CK | PM 220 AA, H | |
| MOC-31 | IP 403 G10 | CM 403 A, C | PM 403 AA | |
| MSH2 (Melanocyte Stimulating Hormone) | IP 219 G10, G20 | CM 219 AK, BK, CK | PM 219 AA | |
| MSH6 | IP 265 G10 | CM 265 AK, BK, CK | PM 265 AA | |
| MUC-1 (Mucin Core Protein, CA15.3) | N/A | CM 319 A, B | PM 319 AA | |
| MUC-4 | N/A | CM 326 A, B, C | N/A | |
| Mucin 5AC (Gastric Mucin) | N/A | CM 231 A, B, C | N/A | |
| MUM-1 Rabbit Monoclonal | IP 352 G10 | CRM352 A, B, C | PRM352 AA | |
| Muscle Specific Actin (MSA) | IP 079 G10, G20 | CM 079 A, B, C | PM 079 AA | |
| Mycobacterium tuberculosis | N/A | CP 140 A, B, C | PP 140 AA | |
| Myelin Basic Protein (MBP) | N/A | CP334 AK, BK | N/A | |
| Myeloperoxidase | N/A | N/A | PP 023 AA | |
| Myogenin | IP 115 G10 | CM 115 A, B, C | PM 115 AA | |
| Myoglobin | N/A | N/A | PP 041 AA | |