E864 Accidental poisoning by corrosives and caustics not elsewhere classified 
E864.0 Accidental poisoning by corrosive aromatics not elsewhere classified convert E864.0 to ICD-10-CM E864.1 Accidental poisoning by acids not elsewhere classified convert E864.1 to ICD-10-CM E864.2 Accidental poisoning by caustic alkalis not elsewhere classified convert E864.2 to ICD-10-CM E864.3 Accidental poisoning by other specified corrosives and caustics not elsewhere classified convert E864.3 to ICD-10-CM
E864.4 Accidental poisoning by unspecified corrosives and caustics not elsewhere classified convert E864.4 to ICD-10-CM