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SubstancePoisoning, Accidental (unintentional)Poisoning, Intentional self-harmPoisoning, AssaultPoisoning, UndeterminedAdverse effectUnderdosing
Cyanide NEC (s) (compounds) (potassium) (sodium)T65.0X1T65.0X2T65.0X3T65.0X4
    dust or gas NEC (inhalation)T57.3X1T57.3X2T57.3X3T57.3X4
    fumigantT65.0X1T65.0X2T65.0X3T65.0X4
    hydrogenT57.3X1T57.3X2T57.3X3T57.3X4
    mercuric --see Mercury
    pesticide (dust) (fumes)T65.0X1T65.0X2T65.0X3T65.0X4