2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Skin And Subcutaneous Tissue 680-709 > Other Inflammatory Conditions Of Skin And Subcutaneous Tissue 690-698 > 2006 ICD-9-CM Diagnosis 693 Dermatitis due to substances taken internally View the most recent version of ICD-9-CM 693 693 is a non-specific code that cannot be used to specify a diagnosis 693 Excludes adverse effect NOS of drugs and medicines (995.2) allergy NOS (995.3) contact dermatitis (692.0-692.9) urticarial reactions (708.0-708.9, 995.1)