2006 ICD-9-CM Volume 1 Diagnosis Codes > Supplementary Classification Of External Causes Of Injury And Poisoning E800-E999 > Accidental Poisoning By Drugs, Medicinal Substances, And Biologicals E850-E858 > E850 Accidental poisoning by analgesics antipyretics and antirheumatics E851 Accidental poisoning by barbiturates E852 Accidental poisoning by other sedatives and hypnotics E853 Accidental poisoning by tranquilizers E854 Accidental poisoning by other psychotropic agents E855 Accidental poisoning by other drugs acting on central and autonomic nervous system E856 Accidental poisoning by antibiotics E857 Accidental poisoning by other anti-infectives E858 Accidental poisoning by other drugs