| Warfarin | T45.511- | T45.512- | T45.513- | T45.514- | T45.515- | T45.516- |
| rodenticide | T60.4X1- | T60.4X2- | T60.4X3- | T60.4X4- | | |
| sodium | T45.511- | T45.512- | T45.513- | T45.514- | T45.515- | T45.516- |
| Wasp (sting) |
T63.461- |
T63.462- |
T63.463- |
T63.464- |
|
|
| Water | | | | | | |
| balance drug | T50.3X1- | T50.3X2- | T50.3X3- | T50.3X4- | T50.3X5- | T50.3X6- |
| distilled | T50.3X1- | T50.3X2- | T50.3X3- | T50.3X4- | T50.3X5- | T50.3X6- |
| gas | | | | | | |
| incomplete combustion of | | | | | | |
| hemlock | T62.2X1- | T62.2X2- | T62.2X3- | T62.2X4- | | |
| moccasin (venom) | T63.061- | T63.062- | T63.063- | T63.064- | | |
| purified | T50.3X1- | T50.3X2- | T50.3X3- | T50.3X4- | T50.3X5- | T50.3X6- |
| Wax (paraffin) (petroleum) | T52.0X1- | T52.0X2- | T52.0X3- | T52.0X4- | | |
| automobile | T65.891- | T65.892- | T65.893- | T65.894- | | |
| floor | T52.0X1- | T52.0X2- | T52.0X3- | T52.0X4- | | |
| Weed killers NEC |
T60.3X1- |
T60.3X2- |
T60.3X3- |
T60.3X4- |
|
|
| Welldorm |
T42.6X1- |
T42.6X2- |
T42.6X3- |
T42.6X4- |
T42.6X5- |
T42.6X6- |
| White | | | | | | |
| arsenic | T57.0X1- | T57.0X2- | T57.0X3- | T57.0X4- | | |
| hellebore | T62.2X1- | T62.2X2- | T62.2X3- | T62.2X4- | | |
| lotion (keratolytic) | T49.4X1- | T49.4X2- | T49.4X3- | T49.4X4- | T49.4X5- | T49.4X6- |
| spirit | T52.0X1- | T52.0X2- | T52.0X3- | T52.0X4- | | |
| Whitewash |
T65.891- |
T65.892- |
T65.893- |
T65.894- |
|
|
| Whole blood (human) |
T45.8X1- |
T45.8X2- |
T45.8X3- |
T45.8X4- |
T45.8X5- |
T45.8X6- |
| Wild | | | | | | |
| black cherry | T62.2X1- | T62.2X2- | T62.2X3- | T62.2X4- | | |
| poisonous plants NEC | T62.2X1- | T62.2X2- | T62.2X3- | T62.2X4- | | |
| Window cleaning fluid |
T65.891- |
T65.892- |
T65.893- |
T65.894- |
|
|
| Wintergreen (oil) |
T49.3X1- |
T49.3X2- |
T49.3X3- |
T49.3X4- |
T49.3X5- |
T49.3X6- |
| Wisterine |
T62.2X1- |
T62.2X2- |
T62.2X3- |
T62.2X4- |
|
|
| Witch hazel |
T49.2X1- |
T49.2X2- |
T49.2X3- |
T49.2X4- |
T49.2X5- |
T49.2X6- |
| Wood alcohol or spirit |
T51.1X1- |
T51.1X2- |
T51.1X3- |
T51.1X4- |
|
|
| Wool fat (hydrous) |
T49.3X1- |
T49.3X2- |
T49.3X3- |
T49.3X4- |
T49.3X5- |
T49.3X6- |
| Woorali |
T48.1X1- |
T48.1X2- |
T48.1X3- |
T48.1X4- |
T48.1X5- |
T48.1X6- |
| Wormseed, American |
T37.4X1- |
T37.4X2- |
T37.4X3- |
T37.4X4- |
T37.4X5- |
T37.4X6- |
