T54.9 - Toxic effects of unspecified corrosive substance T54 - Toxic effect of corrosive substances T54.9 - Toxic effects of unspecified corrosive substance T54.91 - Toxic effect of unspecified corrosive substance, accidental (unintentional) T54.92 - Toxic effect of unspecified corrosive substance, intentional self-harm T54.93 - Toxic effect of unspecified corrosive substance, assault T54.94 - Toxic effect of unspecified corrosive substance, undetermined