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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 > 2007 ICD-9-CM Diagnosis 477 Allergic rhinitis  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 Therefore, this code may be out of date.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 477 can be accessed here. 477 is a non-specific code that cannot be used to specify a diagnosis 477 includes: allergic rhinitis (nonseasonal) (seasonal) hay fever spasmodic rhinorrhea 477 excludes: allergic rhinitis with asthma (bronchial) (493.0)