| M-AMSA | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| M-vac | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mace | T59.3X1 | T59.3X2 | T59.3X3 | T59.3X4 | — | — |
| Macrogol | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| Macrolide | — | — | — | — | — | — |
| macrolidesAntibiotic NEC | T36.3X1 | T36.3X2 | T36.3X3 | T36.3X4 | T36.3X5 | T36.3X6 |
| Mafenide | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Magaldrate | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| Magic mushroom | T40.991 | T40.992 | T40.993 | T40.994 | — | — |
| Magnamycin | T36.8X1 | T36.8X2 | T36.8X3 | T36.8X4 | T36.8X5 | T36.8X6 |
| Magnesia magma | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| magnesium citrateSodium | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| Magnesium NEC | T56.891 | T56.892 | T56.893 | T56.894 | — | — |
| magnesium silicateAluminium, aluminum | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| major NECTranquilizer NEC | T43.501 | T43.502 | T43.503 | T43.504 | T43.505 | T43.506 |
| Malathion(medicinal) | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| maleGonadal tissue extract | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Male fern extract | T37.4X1 | T37.4X2 | T37.4X3 | T37.4X4 | T37.4X5 | T37.4X6 |
| mandelateCalcium | T37.91 | T37.92 | T37.93 | T37.94 | T37.95 | T37.96 |
| mandelateAmmonium | T37.91 | T37.92 | T37.93 | T37.94 | T37.95 | T37.96 |
| Mandelic acid | T37.8X1 | T37.8X2 | T37.8X3 | T37.8X4 | T37.8X5 | T37.8X6 |
| Manganese(dioxide) (salts) | T57.2X1 | T57.2X2 | T57.2X3 | T57.2X4 | — | — |
| Mannitol | T47.3X1 | T47.3X2 | T47.3X3 | T47.3X4 | T47.3X5 | T47.3X6 |
| Mannomustine | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| MAO inhibitors | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| Mapharsen | T37.8X1 | T37.8X2 | T37.8X3 | T37.8X4 | T37.8X5 | T37.8X6 |
| Maphenide | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Maprotiline | T43.021 | T43.022 | T43.023 | T43.024 | T43.025 | T43.026 |
| Marcaine | T41.3X1 | T41.3X2 | T41.3X3 | T41.3X4 | T41.3X5 | T41.3X6 |
| Marezine | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Marihuana | T40.711 | T40.712 | T40.713 | T40.714 | T40.715 | T40.716 |
| Marijuana | T40.711 | T40.712 | T40.713 | T40.714 | T40.715 | T40.716 |
| marineVenom, venomous(bite) (sting) | — | — | — | — | — | — |
| marineVenom, venomous(bite) (sting) › plant NEC | T63.711 | T63.712 | T63.713 | T63.714 | — | — |
| Marine(sting) | T63.691 | T63.692 | T63.693 | T63.694 | — | — |
| Marplan | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| marshGas NEC | T59.891 | T59.892 | T59.893 | T59.894 | — | — |
| Marsh gas | T59.891 | T59.892 | T59.893 | T59.894 | — | — |
| Marsilid | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| Matulane | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mazindol | T50.5X1 | T50.5X2 | T50.5X3 | T50.5X4 | T50.5X5 | T50.5X6 |
| MCPA | T60.3X1 | T60.3X2 | T60.3X3 | T60.3X4 | — | — |
| MDMA | T43.641 | T43.642 | T43.643 | T43.644 | — | — |
| Meadow saffron | T62.2X1 | T62.2X2 | T62.2X3 | T62.2X4 | — | — |
| meaning pentachlorophenolPCP | T60.1X1 | T60.1X2 | T60.1X3 | T60.1X4 | — | — |
| meaning phencyclidinePCP | T40.991 | T40.992 | T40.993 | T40.994 | — | — |
| measlesVaccine NEC | T50.B91 | T50.B92 | T50.B93 | T50.B94 | T50.B95 | T50.B96 |
| Measles virus vaccine(attenuated) | T50.B91 | T50.B92 | T50.B93 | T50.B94 | T50.B95 | T50.B96 |
| Meat, noxious | T62.8X1 | T62.8X2 | T62.8X3 | T62.8X4 | — | — |
| Meballymal | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Mebanazine | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| Mebaral | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Mebendazole | T37.4X1 | T37.4X2 | T37.4X3 | T37.4X4 | T37.4X5 | T37.4X6 |
| Mebeverine | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Mebhydrolin | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Mebumal | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Mebutamate | T43.591 | T43.592 | T43.593 | T43.594 | T43.595 | T43.596 |
| Mecamylamine | T44.2X1 | T44.2X2 | T44.2X3 | T44.2X4 | T44.2X5 | T44.2X6 |
| Mechlorethamine | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mecillinam | T36.0X1 | T36.0X2 | T36.0X3 | T36.0X4 | T36.0X5 | T36.0X6 |
| Meclizine(hydrochloride) | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Meclocycline | T36.4X1 | T36.4X2 | T36.4X3 | T36.4X4 | T36.4X5 | T36.4X6 |
| Meclofenamate | T39.391 | T39.392 | T39.393 | T39.394 | T39.395 | T39.396 |
| Meclofenamic acid | T39.391 | T39.392 | T39.393 | T39.394 | T39.395 | T39.396 |
| Meclofenoxate | T43.691 | T43.692 | T43.693 | T43.694 | T43.695 | T43.696 |
| Meclozine | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Mecobalamin | T45.8X1 | T45.8X2 | T45.8X3 | T45.8X4 | T45.8X5 | T45.8X6 |
| Mecoprop | T60.3X1 | T60.3X2 | T60.3X3 | T60.3X4 | — | — |
| Mecrilate | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Mecysteine | T48.4X1 | T48.4X2 | T48.4X3 | T48.4X4 | T48.4X5 | T48.4X6 |
| Medazepam | T42.4X1 | T42.4X2 | T42.4X3 | T42.4X4 | T42.4X5 | T42.4X6 |
| Medicament NEC | T50.901 | T50.902 | T50.903 | T50.904 | T50.905 | T50.906 |
| medicinalResorcin, resorcinol(nonmedicinal) | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| medicinalTrichloroacetic acid, Trichloracetic acid | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| medicinalThiram | T49.2X1 | T49.2X2 | T49.2X3 | T49.2X4 | T49.2X5 | T49.2X6 |
| medicinalTetramethylthiuram(disulfide) NEC | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalCamphor | T49.8X1 | T49.8X2 | T49.8X3 | T49.8X4 | T49.8X5 | T49.8X6 |
| medicinalCarbon › dioxide(gas) | T41.5X1 | T41.5X2 | T41.5X3 | T41.5X4 | T41.5X5 | T41.5X6 |
| medicinalTetrachloroethylene(liquid) | T37.4X1 | T37.4X2 | T37.4X3 | T37.4X4 | T37.4X5 | T37.4X6 |
| medicinalTar NEC | T49.1X1 | T49.1X2 | T49.1X3 | T49.1X4 | T49.1X5 | T49.1X6 |
| medicinalStrychnine(nonmedicinal) (pesticide) (salts) | T48.291 | T48.292 | T48.293 | T48.294 | T48.295 | T48.296 |
| medicinalSodium › perborate(nonmedicinal) NEC | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalCopper(dust) (fumes) (nonmedicinal) NEC › sulfate › cupric | — | — | — | — | — | — |
| medicinalCopper(dust) (fumes) (nonmedicinal) NEC › sulfate | — | — | — | — | — | — |
| medicinalDetergent | T49.2X1 | T49.2X2 | T49.2X3 | T49.2X4 | T49.2X5 | T49.2X6 |
| medicinalDiethyl › toluamide(nonmedicinal) | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| medicinalDimethyl › sulfoxide(nonmedicinal) | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| medicinalSilicone NEC | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| medicinalPreservative(nonmedicinal) | T50.901 | T50.902 | T50.903 | T50.904 | T50.905 | T50.906 |
| medicinalEthylene(gas) › oxide(fumigant) (nonmedicinal) | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalPotassium(salts) NEC › Permanganate(nonmedicinal) | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalPotassium(salts) NEC › perchlorate(nonmedicinal) NEC | T38.2X1 | T38.2X2 | T38.2X3 | T38.2X4 | T38.2X5 | T38.2X6 |
| medicinalGlutaraldehyde(nonmedicinal) | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalHCH | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalHelium(nonmedicinal) NEC | T48.991 | T48.992 | T48.993 | T48.994 | T48.995 | T48.996 |
| medicinalPhenol | T49.1X1 | T49.1X2 | T49.1X3 | T49.1X4 | T49.1X5 | T49.1X6 |
| medicinalPerchloroethylene | T37.4X1 | T37.4X2 | T37.4X3 | T37.4X4 | T37.4X5 | T37.4X6 |
| medicinalHydroxytoluene(nonmedicinal) | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalIsopropyl › alcohol | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| medicinalLindane(insecticide) (nonmedicinal) (vapor) | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinalManganese(dioxide) (salts) | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| medicinal NECSpray(aerosol) | T50.901 | T50.902 | T50.903 | T50.904 | T50.905 | T50.906 |
| medicinal NECFluoride(nonmedicinal) (pesticide) (sodium) NEC | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| medicinal productsCochineal | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| medicinal, softSoap(powder) (product) | T49.2X1 | T49.2X2 | T49.2X3 | T49.2X4 | T49.2X5 | T49.2X6 |
| medicinal(activated)Charcoal | T47.6X1 | T47.6X2 | T47.6X3 | T47.6X4 | T47.6X5 | T47.6X6 |
| medicinal(alkaloids)Ergot NEC | T48.0X1 | T48.0X2 | T48.0X3 | T48.0X4 | T48.0X5 | T48.0X6 |
| medicinal(anti-infective) (external)Sodium › hypochlorite(bleach) NEC | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| medicinal(astringent)Tannic acid | T49.2X1 | T49.2X2 | T49.2X3 | T49.2X4 | T49.2X5 | T49.2X6 |
| medicinal(digestant)Hydrochloric acid(liquid) | T47.5X1 | T47.5X2 | T47.5X3 | T47.5X4 | T47.5X5 | T47.5X6 |
| medicinal(expectorant)Creosote(coal tar) (beechwood) | T48.4X1 | T48.4X2 | T48.4X3 | T48.4X4 | T48.4X5 | T48.4X6 |
| medicinal(keratolytic) (ointment) NECSulfur, sulfurated, sulfuric, sulfurous, sulfuryl(compounds NEC) (medicinal) | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| medicinal(lotion)Acetic › acid | T49.2X1 | T49.2X2 | T49.2X3 | T49.2X4 | T49.2X5 | T49.2X6 |
| medicinal(ointment)Coal(carbon monoxide from) › tar | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| medicinal(trace)Copper(dust) (fumes) (nonmedicinal) NEC | T45.8X1 | T45.8X2 | T45.8X3 | T45.8X4 | T45.8X5 | T45.8X6 |
| medicinal(trace) (chloride)Cobalt(nonmedicinal) (fumes) (industrial) | T45.8X1 | T45.8X2 | T45.8X3 | T45.8X4 | T45.8X5 | T45.8X6 |
| Medinal | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Medomin | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Medrogestone | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Medroxalol | T44.8X1 | T44.8X2 | T44.8X3 | T44.8X4 | T44.8X5 | T44.8X6 |
| Medroxyprogesterone acetate(depot) | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Medrysone | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Mefenamic acid | T39.391 | T39.392 | T39.393 | T39.394 | T39.395 | T39.396 |
| Mefenorex | T50.5X1 | T50.5X2 | T50.5X3 | T50.5X4 | T50.5X5 | T50.5X6 |
| Mefloquine | T37.2X1 | T37.2X2 | T37.2X3 | T37.2X4 | T37.2X5 | T37.2X6 |
| Mefruside | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Megahallucinogen | T40.901 | T40.902 | T40.903 | T40.904 | T40.905 | T40.906 |
| Megestrol | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Meglumine | — | — | — | — | — | — |
| MEK(methyl ethyl ketone) | T52.4X1 | T52.4X2 | T52.4X3 | T52.4X4 | — | — |
| Meladinin | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Meladrazine | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Melaleuca alternifolia oil | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Melanizing agents | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Melanocyte-stimulating hormone | T38.891 | T38.892 | T38.893 | T38.894 | T38.895 | T38.896 |
| Melarsonyl potassium | T37.3X1 | T37.3X2 | T37.3X3 | T37.3X4 | T37.3X5 | T37.3X6 |
| Melarsoprol | T37.3X1 | T37.3X2 | T37.3X3 | T37.3X4 | T37.3X5 | T37.3X6 |
| Melia azedarach | T62.2X1 | T62.2X2 | T62.2X3 | T62.2X4 | — | — |
| Melitracen | T43.011 | T43.012 | T43.013 | T43.014 | T43.015 | T43.016 |
| Mellaril | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Meloxine | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Melperone | T43.4X1 | T43.4X2 | T43.4X3 | T43.4X4 | T43.4X5 | T43.4X6 |
| Melphalan | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Memantine | T43.8X1 | T43.8X2 | T43.8X3 | T43.8X4 | T43.8X5 | T43.8X6 |
| Menadiol | T45.7X1 | T45.7X2 | T45.7X3 | T45.7X4 | T45.7X5 | T45.7X6 |
| Menadione | T45.7X1 | T45.7X2 | T45.7X3 | T45.7X4 | T45.7X5 | T45.7X6 |
| Menaphthone | T45.7X1 | T45.7X2 | T45.7X3 | T45.7X4 | T45.7X5 | T45.7X6 |
| Menaquinone | T45.7X1 | T45.7X2 | T45.7X3 | T45.7X4 | T45.7X5 | T45.7X6 |
| Menatetrenone | T45.7X1 | T45.7X2 | T45.7X3 | T45.7X4 | T45.7X5 | T45.7X6 |
| meningococcalVaccine NEC | T50.A91 | T50.A92 | T50.A93 | T50.A94 | T50.A95 | T50.A96 |
| Meningococcal vaccine | T50.A91 | T50.A92 | T50.A93 | T50.A94 | T50.A95 | T50.A96 |
| Menningovax(-AC) (-C) | T50.A91 | T50.A92 | T50.A93 | T50.A94 | T50.A95 | T50.A96 |
| Menotropins | T38.811 | T38.812 | T38.813 | T38.814 | T38.815 | T38.816 |
| Menthol | T48.5X1 | T48.5X2 | T48.5X3 | T48.5X4 | T48.5X5 | T48.5X6 |
| Mepacrine | T37.2X1 | T37.2X2 | T37.2X3 | T37.2X4 | T37.2X5 | T37.2X6 |
| Meparfynol | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| Mepartricin | T36.7X1 | T36.7X2 | T36.7X3 | T36.7X4 | T36.7X5 | T36.7X6 |
| Mepazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Mepenzolate | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| meperidineDimethyl | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| Meperidine | T40.491 | T40.492 | T40.493 | T40.494 | T40.495 | T40.496 |
| Mephebarbital | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Mephenamin(e) | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Mephenesin | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Mephenhydramine | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Mephenoxalone | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Mephentermine | T44.991 | T44.992 | T44.993 | T44.994 | T44.995 | T44.996 |
| mephenytoinPhenobarbital › with | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Mephenytoin | T42.0X1 | T42.0X2 | T42.0X3 | T42.0X4 | T42.0X5 | T42.0X6 |
| Mephobarbital | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Mephosfolan | T60.0X1 | T60.0X2 | T60.0X3 | T60.0X4 | — | — |
| Mepindolol | T44.7X1 | T44.7X2 | T44.7X3 | T44.7X4 | T44.7X5 | T44.7X6 |
| Mepiperphenidol | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Mepitiostane | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Mepivacaine | T41.3X1 | T41.3X2 | T41.3X3 | T41.3X4 | T41.3X5 | T41.3X6 |
| Meprednisone | T38.0X1 | T38.0X2 | T38.0X3 | T38.0X4 | T38.0X5 | T38.0X6 |
| Meprobam | T43.591 | T43.592 | T43.593 | T43.594 | T43.595 | T43.596 |
| Meprobamate | T43.591 | T43.592 | T43.593 | T43.594 | T43.595 | T43.596 |
| Meproscillarin | T46.0X1 | T46.0X2 | T46.0X3 | T46.0X4 | T46.0X5 | T46.0X6 |
| Meprylcaine | T41.3X1 | T41.3X2 | T41.3X3 | T41.3X4 | T41.3X5 | T41.3X6 |
| Meptazinol | T39.8X1 | T39.8X2 | T39.8X3 | T39.8X4 | T39.8X5 | T39.8X6 |
| Mepyramine | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Mequitazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Meralluride | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Merbaphen | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Merbromin | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| mercaptanMethyl | T59.891 | T59.892 | T59.893 | T59.894 | — | — |
| Mercaptobenzothiazole salts | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Mercaptomerin | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Mercaptopurine | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mercumatilin | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Mercuramide | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| mercurial NECDiuretic NEC | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| mercuricCyanide(s) (compounds) (potassium) (sodium) NEC | — | — | — | — | — | — |
| mercuricSuccinimide, antiepileptic or anticonvulsant | — | — | — | — | — | — |
| mercuric chlorideEthyl | T56.1X1 | T56.1X2 | T56.1X3 | T56.1X4 | — | — |
| mercuric compoundsPhenyl | — | — | — | — | — | — |
| Mercurochrome | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Mercurophylline | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Mercury, mercurial, mercuric, mercurous(compounds) (cyanide) (fumes) (nonmedicinal) (vapor) NEC | T56.1X1 | T56.1X2 | T56.1X3 | T56.1X4 | — | — |
| mercury(ointment)Iodide NEC | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| mersalateSodium | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Mersalyl | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Merthiolate | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Meruvax | T50.B91 | T50.B92 | T50.B93 | T50.B94 | T50.B95 | T50.B96 |
| Mesalazine | T47.8X1 | T47.8X2 | T47.8X3 | T47.8X4 | T47.8X5 | T47.8X6 |
| Mescal buttons | T40.991 | T40.992 | T40.993 | T40.994 | — | — |
| Mescaline | T40.991 | T40.992 | T40.993 | T40.994 | — | — |
| mesilateDihydroergotoxine | T46.7X1 | T46.7X2 | T46.7X3 | T46.7X4 | T46.7X5 | T46.7X6 |
| Mesna | T48.4X1 | T48.4X2 | T48.4X3 | T48.4X4 | T48.4X5 | T48.4X6 |
| Mesoglycan | T46.6X1 | T46.6X2 | T46.6X3 | T46.6X4 | T46.6X5 | T46.6X6 |
| Mesoridazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Mestanolone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Mesterolone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Mestranol | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Mesulergine | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Mesulfen | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Mesuximide | T42.2X1 | T42.2X2 | T42.2X3 | T42.2X4 | T42.2X5 | T42.2X6 |
| Metabutethamine | T41.3X1 | T41.3X2 | T41.3X3 | T41.3X4 | T41.3X5 | T41.3X6 |
| Metactesylacetate | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Metacycline | T36.4X1 | T36.4X2 | T36.4X3 | T36.4X4 | T36.4X5 | T36.4X6 |
| metalFumes(from) | — | — | — | — | — | — |
| Metaldehyde(snail killer) NEC | T60.8X1 | T60.8X2 | T60.8X3 | T60.8X4 | — | — |
| Metals(heavy) (nonmedicinal) | T56.91 | T56.92 | T56.93 | T56.94 | — | — |
| Metamfetamine | T43.651 | T43.652 | T43.653 | T43.654 | T43.655 | T43.656 |
| Metamizole sodium | T39.2X1 | T39.2X2 | T39.2X3 | T39.2X4 | T39.2X5 | T39.2X6 |
| Metampicillin | T36.0X1 | T36.0X2 | T36.0X3 | T36.0X4 | T36.0X5 | T36.0X6 |
| Metamucil | T47.4X1 | T47.4X2 | T47.4X3 | T47.4X4 | T47.4X5 | T47.4X6 |
| Metandienone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Metandrostenolone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Metaphen | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Metaphos | T60.0X1 | T60.0X2 | T60.0X3 | T60.0X4 | — | — |
| Metapramine | T43.011 | T43.012 | T43.013 | T43.014 | T43.015 | T43.016 |
| Metaproterenol | T48.291 | T48.292 | T48.293 | T48.294 | T48.295 | T48.296 |
| Metaraminol | T44.4X1 | T44.4X2 | T44.4X3 | T44.4X4 | T44.4X5 | T44.4X6 |
| metasilicateSodium | T65.891 | T65.892 | T65.893 | T65.894 | — | — |
| Metaxalone | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Metenolone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Metergoline | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Metescufylline | T46.991 | T46.992 | T46.993 | T46.994 | T46.995 | T46.996 |
| Metetoin | T42.0X1 | T42.0X2 | T42.0X3 | T42.0X4 | T42.0X5 | T42.0X6 |
| Metformin | T38.3X1 | T38.3X2 | T38.3X3 | T38.3X4 | T38.3X5 | T38.3X6 |
| Methacholine | T44.1X1 | T44.1X2 | T44.1X3 | T44.1X4 | T44.1X5 | T44.1X6 |
| Methacycline | T36.4X1 | T36.4X2 | T36.4X3 | T36.4X4 | T36.4X5 | T36.4X6 |
| Methadone | T40.3X1 | T40.3X2 | T40.3X3 | T40.3X4 | T40.3X5 | T40.3X6 |
| Methallenestril | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Methallenoestril | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Methamphetamine | T43.651 | T43.652 | T43.653 | T43.654 | T43.655 | T43.656 |
| Methampyrone | T39.2X1 | T39.2X2 | T39.2X3 | T39.2X4 | T39.2X5 | T39.2X6 |
| Methandienone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Methandriol | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Methandrostenolone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Methane | T59.891 | T59.892 | T59.893 | T59.894 | — | — |
| methanesulfonate sodiumNoramidopyrine | T39.2X1 | T39.2X2 | T39.2X3 | T39.2X4 | T39.2X5 | T39.2X6 |
| Methanethiol | T59.891 | T59.892 | T59.893 | T59.894 | — | — |
| Methaniazide | T37.1X1 | T37.1X2 | T37.1X3 | T37.1X4 | T37.1X5 | T37.1X6 |
| Methanol(vapor) | T51.1X1 | T51.1X2 | T51.1X3 | T51.1X4 | — | — |
| Methantheline | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methanthelinium bromide | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methaphenilene | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Methapyrilene | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Methaqualone(compound) | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| Metharbital | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Methazolamide | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Methdilazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Methedrine | T43.651 | T43.652 | T43.653 | T43.654 | T43.655 | T43.656 |
| Methenamine(mandelate) | T37.8X1 | T37.8X2 | T37.8X3 | T37.8X4 | T37.8X5 | T37.8X6 |
| Methenolone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Methergine | T48.0X1 | T48.0X2 | T48.0X3 | T48.0X4 | T48.0X5 | T48.0X6 |
| Methetoin | T42.0X1 | T42.0X2 | T42.0X3 | T42.0X4 | T42.0X5 | T42.0X6 |
| Methiacil | T38.2X1 | T38.2X2 | T38.2X3 | T38.2X4 | T38.2X5 | T38.2X6 |
| Methicillin | T36.0X1 | T36.0X2 | T36.0X3 | T36.0X4 | T36.0X5 | T36.0X6 |
| Methimazole | T38.2X1 | T38.2X2 | T38.2X3 | T38.2X4 | T38.2X5 | T38.2X6 |
| Methiodal sodium | T50.8X1 | T50.8X2 | T50.8X3 | T50.8X4 | T50.8X5 | T50.8X6 |
| Methionine | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| Methisazone | T37.5X1 | T37.5X2 | T37.5X3 | T37.5X4 | T37.5X5 | T37.5X6 |
| Methisoprinol | T37.5X1 | T37.5X2 | T37.5X3 | T37.5X4 | T37.5X5 | T37.5X6 |
| Methitural | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Methixene | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methobarbital, methobarbitone | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Methocarbamol | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Methohexital | T41.1X1 | T41.1X2 | T41.1X3 | T41.1X4 | T41.1X5 | T41.1X6 |
| Methohexitone | T41.1X1 | T41.1X2 | T41.1X3 | T41.1X4 | T41.1X5 | T41.1X6 |
| Methoin | T42.0X1 | T42.0X2 | T42.0X3 | T42.0X4 | T42.0X5 | T42.0X6 |
| methonitrateAtropine | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methopholine | T39.8X1 | T39.8X2 | T39.8X3 | T39.8X4 | T39.8X5 | T39.8X6 |
| Methopromazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Methorate | T48.3X1 | T48.3X2 | T48.3X3 | T48.3X4 | T48.3X5 | T48.3X6 |
| Methoserpidine | T46.5X1 | T46.5X2 | T46.5X3 | T46.5X4 | T46.5X5 | T46.5X6 |
| Methotrexate | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Methotrimeprazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Methoxa-Dome | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Methoxamine | T44.4X1 | T44.4X2 | T44.4X3 | T44.4X4 | T44.4X5 | T44.4X6 |
| Methoxsalen | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| Methoxy-DDT | T53.7X1 | T53.7X2 | T53.7X3 | T53.7X4 | — | — |
| Methoxyaniline | T65.3X1 | T65.3X2 | T65.3X3 | T65.3X4 | — | — |
| Methoxybenzyl penicillin | T36.0X1 | T36.0X2 | T36.0X3 | T36.0X4 | T36.0X5 | T36.0X6 |
| Methoxychlor | T53.7X1 | T53.7X2 | T53.7X3 | T53.7X4 | — | — |
| Methoxyflurane | T41.0X1 | T41.0X2 | T41.0X3 | T41.0X4 | T41.0X5 | T41.0X6 |
| Methoxyphenamine | T48.6X1 | T48.6X2 | T48.6X3 | T48.6X4 | T48.6X5 | T48.6X6 |
| Methoxypromazine | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Methscopolamine bromide | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methsuximide | T42.2X1 | T42.2X2 | T42.2X3 | T42.2X4 | T42.2X5 | T42.2X6 |
| Methyclothiazide | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| methylAlcohol | T51.1X1 | T51.1X2 | T51.1X3 | T51.1X4 | — | — |
| methylSalicylate NEC | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Methyl | — | — | — | — | — | — |
| Methylamphetamine | T43.651 | T43.652 | T43.653 | T43.654 | T43.655 | T43.656 |
| methylateIodide NEC | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Methylated spirit | T51.1X1 | T51.1X2 | T51.1X3 | T51.1X4 | — | — |
| Methylatropine nitrate | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methylbenactyzium bromide | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Methylbenzethonium chloride | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| methylbromideHomatropine | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| methylcarbinolEthyl | T51.8X1 | T51.8X2 | T51.8X3 | T51.8X4 | — | — |
| Methylcellulose | T47.4X1 | T47.4X2 | T47.4X3 | T47.4X4 | T47.4X5 | T47.4X6 |
| Methylchlorophenoxy-acetic acid | T60.3X1 | T60.3X2 | T60.3X3 | T60.3X4 | — | — |
| Methyldopa | T46.5X1 | T46.5X2 | T46.5X3 | T46.5X4 | T46.5X5 | T46.5X6 |
| Methyldopate | T46.5X1 | T46.5X2 | T46.5X3 | T46.5X4 | T46.5X5 | T46.5X6 |
| Methylene | — | — | — | — | — | — |
| Methylenedioxyamphetamine | T43.621 | T43.622 | T43.623 | T43.624 | T43.625 | T43.626 |
| Methylenedioxymethamphetamine | T43.641 | T43.642 | T43.643 | T43.644 | — | — |
| Methylergometrine | T48.0X1 | T48.0X2 | T48.0X3 | T48.0X4 | T48.0X5 | T48.0X6 |
| Methylergonovine | T48.0X1 | T48.0X2 | T48.0X3 | T48.0X4 | T48.0X5 | T48.0X6 |
| Methylestrenolone | T38.5X1 | T38.5X2 | T38.5X3 | T38.5X4 | T38.5X5 | T38.5X6 |
| Methylethyl cellulose | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| Methylhexabital | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Methylmorphine | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| Methylparaben(ophthalmic) | T49.5X1 | T49.5X2 | T49.5X3 | T49.5X4 | T49.5X5 | T49.5X6 |
| Methylparafynol | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| Methylpentynol, methylpenthynol | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| methylphenidatePsychostimulant | T43.631 | T43.632 | T43.633 | T43.634 | T43.635 | T43.636 |
| Methylphenidate | T43.631 | T43.632 | T43.633 | T43.634 | T43.635 | T43.636 |
| Methylphenobarbital | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| Methylpolysiloxane | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| Methylprednisolone | — | — | — | — | — | — |
| Methylrosaniline | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Methylrosanilinium chloride | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Methyltestosterone | T38.7X1 | T38.7X2 | T38.7X3 | T38.7X4 | T38.7X5 | T38.7X6 |
| Methylthionine chloride | T50.6X1 | T50.6X2 | T50.6X3 | T50.6X4 | T50.6X5 | T50.6X6 |
| Methylthioninium chloride | T50.6X1 | T50.6X2 | T50.6X3 | T50.6X4 | T50.6X5 | T50.6X6 |
| Methylthiouracil | T38.2X1 | T38.2X2 | T38.2X3 | T38.2X4 | T38.2X5 | T38.2X6 |
| Methyprylon | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| Methysergide | T46.5X1 | T46.5X2 | T46.5X3 | T46.5X4 | T46.5X5 | T46.5X6 |
| Metiamide | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| Meticillin | T36.0X1 | T36.0X2 | T36.0X3 | T36.0X4 | T36.0X5 | T36.0X6 |
| Meticrane | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Metildigoxin | T46.0X1 | T46.0X2 | T46.0X3 | T46.0X4 | T46.0X5 | T46.0X6 |
| metilsulfateHexocyclium | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| metilsulfateDiphemanil | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Metipranolol | T49.5X1 | T49.5X2 | T49.5X3 | T49.5X4 | T49.5X5 | T49.5X6 |
| Metirosine | T46.5X1 | T46.5X2 | T46.5X3 | T46.5X4 | T46.5X5 | T46.5X6 |
| Metisazone | T37.5X1 | T37.5X2 | T37.5X3 | T37.5X4 | T37.5X5 | T37.5X6 |
| Metixene | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Metizoline | T48.5X1 | T48.5X2 | T48.5X3 | T48.5X4 | T48.5X5 | T48.5X6 |
| Metoclopramide | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Metofenazate | T43.3X1 | T43.3X2 | T43.3X3 | T43.3X4 | T43.3X5 | T43.3X6 |
| Metofoline | T39.8X1 | T39.8X2 | T39.8X3 | T39.8X4 | T39.8X5 | T39.8X6 |
| Metolazone | T50.2X1 | T50.2X2 | T50.2X3 | T50.2X4 | T50.2X5 | T50.2X6 |
| Metopon | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| Metoprine | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Metoprolol | T44.7X1 | T44.7X2 | T44.7X3 | T44.7X4 | T44.7X5 | T44.7X6 |
| Metrifonate | T60.0X1 | T60.0X2 | T60.0X3 | T60.0X4 | — | — |
| Metrizamide | T50.8X1 | T50.8X2 | T50.8X3 | T50.8X4 | T50.8X5 | T50.8X6 |
| metrizoateSodium | T50.8X1 | T50.8X2 | T50.8X3 | T50.8X4 | T50.8X5 | T50.8X6 |
| Metrizoic acid | T50.8X1 | T50.8X2 | T50.8X3 | T50.8X4 | T50.8X5 | T50.8X6 |
| Metronidazole | T37.8X1 | T37.8X2 | T37.8X3 | T37.8X4 | T37.8X5 | T37.8X6 |
| Metycaine | T41.3X1 | T41.3X2 | T41.3X3 | T41.3X4 | T41.3X5 | T41.3X6 |
| Metyrapone | T50.8X1 | T50.8X2 | T50.8X3 | T50.8X4 | T50.8X5 | T50.8X6 |
| Mevinphos | T60.0X1 | T60.0X2 | T60.0X3 | T60.0X4 | — | — |
| Mexazolam | T42.4X1 | T42.4X2 | T42.4X3 | T42.4X4 | T42.4X5 | T42.4X6 |
| Mexenone | T49.3X1 | T49.3X2 | T49.3X3 | T49.3X4 | T49.3X5 | T49.3X6 |
| Mexiletine | T46.2X1 | T46.2X2 | T46.2X3 | T46.2X4 | T46.2X5 | T46.2X6 |
| Mezereon | T62.2X1 | T62.2X2 | T62.2X3 | T62.2X4 | — | — |
| Mezlocillin | T36.0X1 | T36.0X2 | T36.0X3 | T36.0X4 | T36.0X5 | T36.0X6 |
| Mianserin | T43.021 | T43.022 | T43.023 | T43.024 | T43.025 | T43.026 |
| Micatin | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Miconazole | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Micronomicin | T36.5X1 | T36.5X2 | T36.5X3 | T36.5X4 | T36.5X5 | T36.5X6 |
| Midazolam | T42.4X1 | T42.4X2 | T42.4X3 | T42.4X4 | T42.4X5 | T42.4X6 |
| Midecamycin | T36.3X1 | T36.3X2 | T36.3X3 | T36.3X4 | T36.3X5 | T36.3X6 |
| Mifepristone | T38.6X1 | T38.6X2 | T38.6X3 | T38.6X4 | T38.6X5 | T38.6X6 |
| Milk of magnesia | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| millipede(tropical)Venom, venomous(bite) (sting) | T63.411 | T63.412 | T63.413 | T63.414 | — | — |
| Millipede(tropical) (venomous) | T63.411 | T63.412 | T63.413 | T63.414 | — | — |
| Miltown | T43.591 | T43.592 | T43.593 | T43.594 | T43.595 | T43.596 |
| Milverine | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Minaprine | T43.291 | T43.292 | T43.293 | T43.294 | T43.295 | T43.296 |
| Minaxolone | T41.291 | T41.292 | T41.293 | T41.294 | T41.295 | T41.296 |
| mineralSpirit(s) (neutral) NEC | T52.0X1 | T52.0X2 | T52.0X3 | T52.0X4 | — | — |
| mineralCorticosteroid | T50.0X1 | T50.0X2 | T50.0X3 | T50.0X4 | T50.0X5 | T50.0X6 |
| Mineral | — | — | — | — | — | — |
| Mineralocorticosteroid | T50.0X1 | T50.0X2 | T50.0X3 | T50.0X4 | T50.0X5 | T50.0X6 |
| Minocycline | T36.4X1 | T36.4X2 | T36.4X3 | T36.4X4 | T36.4X5 | T36.4X6 |
| Minoxidil | T46.7X1 | T46.7X2 | T46.7X3 | T46.7X4 | T46.7X5 | T46.7X6 |
| Miokamycin | T36.3X1 | T36.3X2 | T36.3X3 | T36.3X4 | T36.3X5 | T36.3X6 |
| Miotic drug | T49.5X1 | T49.5X2 | T49.5X3 | T49.5X4 | T49.5X5 | T49.5X6 |
| Mipafox | T60.0X1 | T60.0X2 | T60.0X3 | T60.0X4 | — | — |
| Mirex | T60.1X1 | T60.1X2 | T60.1X3 | T60.1X4 | — | — |
| Mirtazapine | T43.021 | T43.022 | T43.023 | T43.024 | T43.025 | T43.026 |
| Misonidazole | T37.3X1 | T37.3X2 | T37.3X3 | T37.3X4 | T37.3X5 | T37.3X6 |
| Misoprostol | T47.1X1 | T47.1X2 | T47.1X3 | T47.1X4 | T47.1X5 | T47.1X6 |
| Mithramycin | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitobronitol | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitoguazone | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitolactol | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitomycin | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitopodozide | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitotane | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mitoxantrone | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mivacurium chloride | T48.1X1 | T48.1X2 | T48.1X3 | T48.1X4 | T48.1X5 | T48.1X6 |
| mixedInsecticide NEC | T60.91 | T60.92 | T60.93 | T60.94 | — | — |
| mixedAntiepilepsy agent | T42.5X1 | T42.5X2 | T42.5X3 | T42.5X4 | T42.5X5 | T42.5X6 |
| mixedAnti-infective NEC | T37.91 | T37.92 | T37.93 | T37.94 | T37.95 | T37.96 |
| mixed NECVaccine NEC › bacterial NEC | T50.A21 | T50.A22 | T50.A23 | T50.A24 | T50.A25 | T50.A26 |
| mixed NECCentral nervous system › depressants › sedatives; sedative-hypnotics | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| mixed NECSedative NEC | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| mixture(of compounds)Pesticide(dust) (fumes) (vapor) NEC | T60.91 | T60.92 | T60.93 | T60.94 | — | — |
| Miyari bacteria | T47.6X1 | T47.6X2 | T47.6X3 | T47.6X4 | T47.6X5 | T47.6X6 |
| MMRTriple › vaccine | T50.B91 | T50.B92 | T50.B93 | T50.B94 | T50.B95 | T50.B96 |
| moccasin(venom)Water | T63.061 | T63.062 | T63.063 | T63.064 | — | — |
| Moclobemide | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| Moderil | T46.5X1 | T46.5X2 | T46.5X3 | T46.5X4 | T46.5X5 | T46.5X6 |
| Mofebutazone | T39.2X1 | T39.2X2 | T39.2X3 | T39.2X4 | T39.2X5 | T39.2X6 |
| Mogadon | — | — | — | — | — | — |
| Molindone | T43.591 | T43.592 | T43.593 | T43.594 | T43.595 | T43.596 |
| Molsidomine | T46.3X1 | T46.3X2 | T46.3X3 | T46.3X4 | T46.3X5 | T46.3X6 |
| Mometasone | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Monistat | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Monkshood | T62.2X1 | T62.2X2 | T62.2X3 | T62.2X4 | — | — |
| monoamine oxidase inhibitorAntidepressant | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| Monoamine oxidase inhibitor NEC | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| monoamine oxidase inhibitorsHydrazine | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| monoamine oxidase NECInhibitor | T43.1X1 | T43.1X2 | T43.1X3 | T43.1X4 | T43.1X5 | T43.1X6 |
| monobasicSodium › phosphate | T47.2X1 | T47.2X2 | T47.2X3 | T47.2X4 | T47.2X5 | T47.2X6 |
| Monobenzone | T49.4X1 | T49.4X2 | T49.4X3 | T49.4X4 | T49.4X5 | T49.4X6 |
| monobutyl etherEthylene(gas) › glycol(s) | T52.3X1 | T52.3X2 | T52.3X3 | T52.3X4 | — | — |
| Monochloroacetic acid | T60.3X1 | T60.3X2 | T60.3X3 | T60.3X4 | — | — |
| Monochlorobenzene | T53.7X1 | T53.7X2 | T53.7X3 | T53.7X4 | — | — |
| Monoethanolamine | T46.8X1 | T46.8X2 | T46.8X3 | T46.8X4 | T46.8X5 | T46.8X6 |
| monofluoroacetate(pesticide)Sodium | T60.1X1 | T60.1X2 | T60.1X3 | T60.1X4 | — | — |
| Monooctanoin | T50.991 | T50.992 | T50.993 | T50.994 | T50.995 | T50.996 |
| Monophenylbutazone | T39.2X1 | T39.2X2 | T39.2X3 | T39.2X4 | T39.2X5 | T39.2X6 |
| Monosodium glutamate | T65.891 | T65.892 | T65.893 | T65.894 | — | — |
| Monosulfiram | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Monoxide, carbon | — | — | — | — | — | — |
| monoxide(dust)Lead(dust) (fumes) (vapor) NEC | T56.0X1 | T56.0X2 | T56.0X3 | T56.0X4 | — | — |
| monoxide(from incomplete combustion)Carbon | T58.91 | T58.92 | T58.93 | T58.94 | — | — |
| Monoxidine hydrochloride | T46.1X1 | T46.1X2 | T46.1X3 | T46.1X4 | T46.1X5 | T46.1X6 |
| Monuron | T60.3X1 | T60.3X2 | T60.3X3 | T60.3X4 | — | — |
| Moperone | T43.4X1 | T43.4X2 | T43.4X3 | T43.4X4 | T43.4X5 | T43.4X6 |
| Mopidamol | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| MOPP(mechlorethamine + vincristine + prednisone + procarbazine) | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Morfin | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| Morinamide | T37.1X1 | T37.1X2 | T37.1X3 | T37.1X4 | T37.1X5 | T37.1X6 |
| Morning glory seeds | T40.991 | T40.992 | T40.993 | T40.994 | — | — |
| Moroxydine | T37.5X1 | T37.5X2 | T37.5X3 | T37.5X4 | T37.5X5 | T37.5X6 |
| Morphazinamide | T37.1X1 | T37.1X2 | T37.1X3 | T37.1X4 | T37.1X5 | T37.1X6 |
| morphineBenzyl | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | — | — |
| morphineEthyl | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| Morphine | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| morphine NECMethyl | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | T40.2X5 | T40.2X6 |
| Morpholinylethylmorphine | T40.2X1 | T40.2X2 | T40.2X3 | T40.2X4 | — | — |
| morrhuateSodium | T46.8X1 | T46.8X2 | T46.8X3 | T46.8X4 | T46.8X5 | T46.8X6 |
| Morsuximide | T42.2X1 | T42.2X2 | T42.2X3 | T42.2X4 | T42.2X5 | T42.2X6 |
| Mosapramine | T43.591 | T43.592 | T43.593 | T43.594 | T43.595 | T43.596 |
| Moth balls | T60.2X1 | T60.2X2 | T60.2X3 | T60.2X4 | — | — |
| Motor exhaust gas | T58.01 | T58.02 | T58.03 | T58.04 | — | — |
| motor exhaust gas, not in transitCarbon › monoxide(from incomplete combustion) | T58.01 | T58.02 | T58.03 | T58.04 | — | — |
| motor exhaust, not in transitGas NEC | T58.01 | T58.02 | T58.03 | T58.04 | — | — |
| motor pumpCarbon › monoxide(from incomplete combustion) › exhaust gas(motor) not in transit | T58.01 | T58.02 | T58.03 | T58.04 | — | — |
| motor vehicle, not in transitCarbon › monoxide(from incomplete combustion) › exhaust gas(motor) not in transit | T58.01 | T58.02 | T58.03 | T58.04 | — | — |
| Mouthwash(antiseptic) (zinc chloride) | T49.6X1 | T49.6X2 | T49.6X3 | T49.6X4 | T49.6X5 | T49.6X6 |
| Moxastine | T45.0X1 | T45.0X2 | T45.0X3 | T45.0X4 | T45.0X5 | T45.0X6 |
| Moxaverine | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Moxisylyte | T46.7X1 | T46.7X2 | T46.7X3 | T46.7X4 | T46.7X5 | T46.7X6 |
| mucilageCathartic NEC | T47.4X1 | T47.4X2 | T47.4X3 | T47.4X4 | T47.4X5 | T47.4X6 |
| Mucilage, plant | T47.4X1 | T47.4X2 | T47.4X3 | T47.4X4 | T47.4X5 | T47.4X6 |
| Mucolytic drug | T48.4X1 | T48.4X2 | T48.4X3 | T48.4X4 | T48.4X5 | T48.4X6 |
| Mucomyst | T48.4X1 | T48.4X2 | T48.4X3 | T48.4X4 | T48.4X5 | T48.4X6 |
| mucosalAnesthesia | T41.3X1 | T41.3X2 | T41.3X3 | T41.3X4 | T41.3X5 | T41.3X6 |
| mucosal decongestantThonzylamine(systemic) | T48.5X1 | T48.5X2 | T48.5X3 | T48.5X4 | T48.5X5 | T48.5X6 |
| Mucous membrane agents(external) | T49.91 | T49.92 | T49.93 | T49.94 | T49.95 | T49.96 |
| Multiple unspecified drugs, medicaments and biological substances | T50.911 | T50.912 | T50.913 | T50.914 | T50.915 | T50.916 |
| mumpsVaccine NEC | T50.B91 | T50.B92 | T50.B93 | T50.B94 | T50.B95 | T50.B96 |
| Mumps | — | — | — | — | — | — |
| Mumpsvax | T50.B91 | T50.B92 | T50.B93 | T50.B94 | T50.B95 | T50.B96 |
| Mupirocin | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Muriatic acid | — | — | — | — | — | — |
| Muromonab-CD3 | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Muscle affecting agents NEC | T48.201 | T48.202 | T48.203 | T48.204 | T48.205 | T48.206 |
| Muscle relaxant | — | — | — | — | — | — |
| muscle relaxantsCentral nervous system › depressants | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| muscle relaxationAnesthesia | T48.1X1 | T48.1X2 | T48.1X3 | T48.1X4 | T48.1X5 | T48.1X6 |
| muscle toneDepressant › central nervous system(anesthetic) | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| muscle tone enhancerCholinergic(drug) NEC | T44.1X1 | T44.1X2 | T44.1X3 | T44.1X4 | T44.1X5 | T44.1X6 |
| muscle tone, centralDepressant | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Muscle-action drug NEC | T48.201 | T48.202 | T48.203 | T48.204 | T48.205 | T48.206 |
| Muscle-tone depressant, central NEC | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| muscle-tone depressantsCentral nervous system | T42.8X1 | T42.8X2 | T42.8X3 | T42.8X4 | T42.8X5 | T42.8X6 |
| Mushroom, noxious | T62.0X1 | T62.0X2 | T62.0X3 | T62.0X4 | — | — |
| mushroomsFood, foodstuffs, noxious, nonbacterial, NEC | T62.0X1 | T62.0X2 | T62.0X3 | T62.0X4 | — | — |
| Mussel, noxious | T61.781 | T61.782 | T61.783 | T61.784 | — | — |
| mustardNitrogen | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| mustard, not in warGas NEC | T59.891 | T59.892 | T59.893 | T59.894 | — | — |
| Mustard(emetic) | T47.7X1 | T47.7X2 | T47.7X3 | T47.7X4 | T47.7X5 | T47.7X6 |
| Mustine | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Mycifradin | T36.5X1 | T36.5X2 | T36.5X3 | T36.5X4 | T36.5X5 | T36.5X6 |
| Mycitracin | T36.8X1 | T36.8X2 | T36.8X3 | T36.8X4 | T36.8X5 | T36.8X6 |
| Mycostatin | T36.7X1 | T36.7X2 | T36.7X3 | T36.7X4 | T36.7X5 | T36.7X6 |
| Mycotoxins | T64.81 | T64.82 | T64.83 | T64.84 | — | — |
| Mydriacyl | T44.3X1 | T44.3X2 | T44.3X3 | T44.3X4 | T44.3X5 | T44.3X6 |
| Mydriatic drug | T49.5X1 | T49.5X2 | T49.5X3 | T49.5X4 | T49.5X5 | T49.5X6 |
| Myelobromal | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Myleran | T45.1X1 | T45.1X2 | T45.1X3 | T45.1X4 | T45.1X5 | T45.1X6 |
| Myochrysin(e) | T39.2X1 | T39.2X2 | T39.2X3 | T39.2X4 | T39.2X5 | T39.2X6 |
| Myoneural blocking agents | T48.1X1 | T48.1X2 | T48.1X3 | T48.1X4 | T48.1X5 | T48.1X6 |
| Myralact | T49.0X1 | T49.0X2 | T49.0X3 | T49.0X4 | T49.0X5 | T49.0X6 |
| Myristica fragrans | T62.2X1 | T62.2X2 | T62.2X3 | T62.2X4 | — | — |
| Myristicin | T65.891 | T65.892 | T65.893 | T65.894 | — | — |
| Mysoline | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |