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2007 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.* > 2007 ICD-9-CM Diagnosis 478.8 Upper respiratory tract hypersensitivity reaction site unspecified  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 478.8 can be accessed here. 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