| Mallory trichrome | 08033976212506 | DDK ITALIA S.r.l. | Class A | |
| Marchi staining method for denatured myelin sheath | 08033976213039 | DDK ITALIA S.r.l. | Class A | |
| Masson Fontana | 08033976212513 | DDK ITALIA S.r.l. | Class A | |
| Masson trichrome | 08033976212520 | DDK ITALIA S.r.l. | Class A | |
| Masson trichrome (aniline blue) | 08033976211967 | DDK ITALIA S.r.l. | Class A | |
| Masson trichrome Goldner | 08033976212537 | DDK ITALIA S.r.l. | Class A | |
| Masson trichrome (green light) | 08033976211974 | DDK ITALIA S.r.l. | Class A | |
| Mayer’s albumin | 08033976211776 | DDK ITALIA S.r.l. | Class A | |
| May-Grilnwald (blue methylene eosin) | 08033976211004 | DDK ITALIA S.r.l. | Class A | |
| May Grtinwald Giemsa for smear | 08033976212568 | DDK ITALIA S.r.l. | Class A | |
| May-Grunwald (blue methylene eosin) | 08033976211011 | DDK ITALIA S.r.l. | Class A | |
| May Grunwald Giemsa (elicobacter pylory) | 08033976212544 | DDK ITALIA S.r.l. | Class A | |
| May Grunwald Giemsa for smear | 08033976212551 | DDK ITALIA S.r.l. | Class A | |
| MBS for fibrin stain | 08033976212872 | DDK ITALIA S.r.l. | Class A | |
| Merbromin solution | 08033976211738 | DDK ITALIA S.r.l. | Class A | |
| Methyl alcohol for analysis | 08033976210113 | DDK ITALIA S.r.l. | Class A | |
| Methyl green purified Unna | 08033976211646 | DDK ITALIA S.r.l. | Class A | |
| Methyl green pyronin | 08033976212650 | DDK ITALIA S.r.l. | Class A | |
| Metylen blue hydroalcoholic solution | 08033976213091 | DDK ITALIA S.r.l. | Class A | |
| Meyer whit phenolphthalein (Kastle-Meyer) | 08033976210991 | DDK ITALIA S.r.l. | Class A | |
| M-GLAS®
liquid cover glass for microscopy | 04022536045528 | Merck KGaA | Class A | |
| MicMount 100 ml | 08057724952216 | Micras di Cipressi Gabriele | Class A | |
| MicMount 500 ml | 08057724952223 | Micras di Cipressi Gabriele | Class A | |
| Mico bact (cold stain of mycobacteria) | 08033976212018 | DDK ITALIA S.r.l. | Class A | |
| MIF solution (merthiolate-iodine-formalin) | 08033976211707 | DDK ITALIA S.r.l. | Class A | |
| Miller’s elastin | 08033976212230 | DDK ITALIA S.r.l. | Class A | |
| Millioning Carson formalin pH 7,2-7,4 | 08033976213527 | DDK ITALIA S.r.l. | Class A | |
| Millioning Carson formalin pH 7,2-7,4 | 08033976213541 | DDK ITALIA S.r.l. | Class A | |
| Millioning Carson formalin pH 7,2-7.4 | 08033976213534 | DDK ITALIA S.r.l. | Class A | |
| Millioning Phosphate Buffer | 08033976210458 | DDK ITALIA S.r.l. | Class A | |
| MONTANTE PTX UNIVERSALE 10% | 08050054130835 | Titolchimica S.p.A. | Class A | |
| MONTANTE SINTETICO PER VETRINI | 08050054130026 | Titolchimica S.p.A. | Class A | |
| MONTANTE SINTETICO PER VETRINI | 08050054130033 | Titolchimica S.p.A. | Class A | |
| MONTANTE SINTETICO PER VETRINI metodo con isoparaffina | 08050054130996 | Titolchimica S.p.A. | Class A | |
| MONTANTE SINTETICO PER VETRINI metodo con isoparaffina | 08050054131009 | Titolchimica S.p.A. | Class A | |
| Moti-spem for sperm morphology | 08033976212247 | DDK ITALIA S.r.l. | Class A | |
| Mounting Medium | 00673693073189 | Richard-Allan Scientific LLC | Class A | |
| Mounting Medium | 00673693170383 | Richard-Allan Scientific LLC | Class A | |
| Mounting Medium | 06973471961146 | Shenzhen Dakewe Bio-engineering Co., Ltd. | Class A | |
| Mounting Medium | 06977644783917 | Shenzhen Dakewe Bio-engineering Co., Ltd. | Class A | |
| Mounting Medium | 06979016088507 | Shenzhen Dakewe Bio-engineering Co., Ltd. | Class A | |
| Mount Quick aqueous | 08033976232894 | Bio-Optica Milano S.p.A. | Class A | |
| MTF color (merthiolate-iodine-formalin) | 08033976211929 | DDK ITALIA S.r.l. | Class A | |
| Mucicarmine solution | 08033976211028 | DDK ITALIA S.r.l. | Class A | |
| Mucosolvfix | 08033976213350 | DDK ITALIA S.r.l. | Class A | |
| Mvcobact for cold staining of mycobacteria (two solation) | 08033976212025 | DDK ITALIA S.r.l. | Class A | |
| Mycobact-Fluo (fluorescence staining of TB bacilli) | 08033976211851 | DDK ITALIA S.r.l. | Class A | |
| Myeloperossidase Kaplow method (benzidine) | 08033976212032 | DDK ITALIA S.r.l. | Class A | |
| Myeloperoxidase (alpha naphtol pyronin) | 08033976211875 | DDK ITALIA S.r.l. | Class A | |
| Nail Keratin Softener | 08033976213183 | DDK ITALIA S.r.l. | Class A | |
UDI Compass