Diagnosis Code: 477.9

Short Description: Allergic rhinitis NOS

Long Description: Allergic rhinitis, cause unspecified

Code Classification:

• Diseases of the respiratory system (460–519)
  • Other diseases of upper respiratory tract (470-478)
    • 477 Allergic rhinitis
      • 477.9 Allergic rhinitis NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 477.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Allergy, allergic (reaction) 995.3
  • air-borne substance (see also Fever, hay) 477.9
    • specified allergen NEC 477.8
  • hay fever (grass) (pollen) (ragweed) (tree) (see also Fever, hay) 477.9
  • inhalant 477.9
    • dust 477.8
    • pollen 477.0
    • specified allergen other than pollen 477.8
  • respiratory (see also Allergy, inhalant) 477.9
    • due to
      • drug - see Allergy, drug
      • food - see Allergy, food
  • rhinitis (see also Fever, hay) 477.9
    • due to food 477.1
  • sinusitis (see also Fever, hay) 477.9
  • upper respiratory (see also Fever, hay) 477.9

• Bostock's catarrh (see also Fever, hay) 477.9

• Catarrh, catarrhal (inflammation) (see also condition) 460
  • Bostock's (see also Fever, hay) 477.9
  • hay (see also Fever, hay) 477.9
  • summer (hay) (see also Fever, hay) 477.9
  • vasomotor (see also Fever, hay) 477.9

• Catarrhus aestivus (see also Fever, hay) 477.9

• Cold 460
  • allergic (see also Fever, hay) 477.9

• Disease, diseased - see also Syndrome
  • Bostock's (see also Fever, hay) 477.9

• Febris (see also Fever) 780.60
  • aestiva (see also Fever, hay) 477.9

• Fever 780.60
  • hay (allergic) (with rhinitis) 477.9
    • with
      • asthma (bronchial) (see also Asthma) 493.0
    • due to
      • dander, animal (cat) (dog) 477.2
      • dust 477.8
      • fowl 477.8
      • hair, animal (cat) (dog) 477.2
      • pollen, any plant or tree 477.0
      • specified allergen other than pollen 477.8

• Hay
  • fever (allergic) (with rhinitis) 477.9
    • with asthma (bronchial) (see also Asthma) 493.0
    • allergic, due to grass, pollen, ragweed, or tree 477.0
    • conjunctivitis 372.05
    • due to
      • dander, animal (cat) (dog) 477.2
      • dust 477.8
      • fowl 477.8
      • hair, animal (cat) (dog) 477.2
      • pollen 477.0
      • specified allergen other than pollen 477.8

• Rhinitis (atrophic) (catarrhal) (chronic) (croupous) (fibrinous) (hyperplastic) (hypertrophic) (membranous) (purulent) (suppurative) (ulcerative) 472.0
  • with
    • hay fever (see also Fever, hay) 477.9
      • with asthma (bronchial) 493.0
  • allergic (nonseasonal) (seasonal) (see also Fever, hay) 477.9
    • with asthma (see also Asthma) 493.0
    • due to food 477.1
  • vasomotor (see also Fever, hay) 477.9

• Rhinorrhea 478.19
  • paroxysmal (see also Fever, hay) 477.9
  • spasmodic (see also Fever, hay) 477.9

• Sinusitis (accessory) (nasal) (hyperplastic) (nonpurulent) (purulent) (chronic) 473.9
  • allergic (see also Fever, hay) 477.9

Crosswalk Information

The code 477.9 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

« Previous Code