2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Toxic Effects Of Substances Chiefly Nonmedicinal As To Source 980-989 > ICD-9-CM Diagnosis 983 Toxic effect of corrosive aromatics acids and caustic alkalis 983 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 983.0 Toxic effect of corrosive aromatics 983.0 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 983.1 Toxic effect of acids 983.1 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 983.2 Toxic effect of caustic alkalis 983.2 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 983.9 Toxic effect of caustic unspecified 983.9 is a specific code that can be used to specify a diagnosis 983.9 contains 1 index entry