2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > Other Diseases Of Upper Respiratory Tract 478.* > 2006 ICD-9-CM Diagnosis 478.8 Upper respiratory tract hypersensitivity reaction site unspecified View the most recent version of ICD-9-CM 478.8 478.8 is a specific code that can be used to specify a diagnosis 478.8 contains 1 index entry View the ICD-9-CM Volume 1 478.* hierarchy 478.8 Excludes hypersensitivity reaction of lower respiratory tract, as: extrinsic allergic alveolitis (495.0-495.9) pneumoconiosis (500-505)  Index entries containing 478.8: Hypersensitive, hypersensitiveness, hypersensitivity - see also Allergy reaction (see also Allergy) 995.3 upper respiratory tract NEC 478.8