OTHER DISEASES OF THE UPPER RESPIRATORY TRACT (470-478)
477 Allergic rhinitis
Includes:
allergic rhinitis (nonseasonal) (seasonal)
hay fever
spasmodic rhinorrhea
Excludes:
allergic rhinitis with asthma (bronchial) (493.0)
477.0: Due to pollen
Pollinosis
477.1: Due to food
477.2: Due to animal (cat) (dog) hair and dander
477.8: Due to other allergen
477.9: Cause unspecified
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