E853 Accidental poisoning by tranquilizers 
E853.0 Accidental poisoning by phenothiazine-based tranquilizers convert E853.0 to ICD-10-CM E853.1 Accidental poisoning by butyrophenone-based tranquilizers convert E853.1 to ICD-10-CM E853.2 Accidental poisoning by benzodiazepine-based tranquilizers convert E853.2 to ICD-10-CM E853.8 Accidental poisoning by other specified tranquilizers convert E853.8 to ICD-10-CM
E853.9 Accidental poisoning by unspecified tranquilizer convert E853.9 to ICD-10-CM