| Mono AEC/Plus | 00846405012787 | Class A | |
| Mono AEC/Plus | 00846405012794 | Class A | |
| Montage Citrate Antigen Retrieval Solution | 00846405016693 | Class A | |
| Montage DAB Gone kit | 00846405012350 | Class A | |
| Montage EDTA Antigen Retrieval Solution | 00846405016709 | Class A | |
| Montage Opus365TM Antigen Retrieval System | 00846405013999 | Class A | |
| Montage™ Hematoxylin | 00846405012411 | Class A | |
| Montage™ PolyVue Plus Auto Detection System | 00846405016853 | Class A | |
| Montage™ Tween 20 | 00846405012589 | Class A | |
| Mouse on Mouse (MOM) Blocking Reagent | 00846405012503 | Class A | |
| Mouse & Rabbit Link | 00846405013432 | Unknown class | |
| Mouse/Rabbit PolyVue PlusTM HRP/DAB Detection System | 00846405019991 | Class A | |
| Mouse/Rabbit UnoVue PlusTM AP/PermaRed Detection System | 00846405013685 | Class A | |
| Mouse/Rabbit UnoVueTM HRP/DAB Detection System | 00846405013661 | Class A | |
| Mouse UnoVueTM HRP/DAB Detection System | 00846405013630 | Class A | |
| MSH2, Clone 25D12, 0.1 ml | 00846405000630 | Unknown class | |
| MSH2, Clone 25D12, 0.5 ml | 00846405000623 | Unknown class | |
| MSH2, Clone 25D12, 1 ml | 00846405000616 | Unknown class | |
| MSH2, Clone 25D12, 6 ml | 00846405005840 | Unknown class | |
| MSH6 | 00846405000012 | Unknown class | |
| MSH6 | 00846405000029 | Unknown class | |
| MSH6 | 00846405000036 | Unknown class | |
| MSH6 | 00846405005710 | Unknown class | |
| Mucicarmine Stain Kit | 00846405013289 | Class A | |
| Mucin 5AC | 00846405000975 | Unknown class | |
UDI Compass