ICD-9 Diagnosis Code 477.9


Allergic rhinitis NOS

Diagnosis Code 477.9

ICD-9: 477.9
Short Description: Allergic rhinitis NOS
Long Description: Allergic rhinitis, cause unspecified
This is the 2014 version of the ICD-9-CM diagnosis code 477.9

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

Information for Medical Professionals

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Index of Diseases and Injuries
References found for the code 477.9 in the Index of Diseases and Injuries:


Information for Patients


Allergy

Also called: Hypersensitivity

An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are

  • Pollen
  • Dust mites
  • Mold spores
  • Pet dander
  • Food
  • Insect stings
  • Medicines

Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a false alarm. Genes and the environment probably both play a role.

Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, swelling, or asthma. Allergies can range from minor to severe. Anaphylaxis is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies. Treatments include medicines, allergy shots, and avoiding the substances that cause the reactions.

NIH: National Institute of Allergy and Infectious Diseases

  • Allergic reactions
  • Allergic rhinitis - self-care
  • Allergies
  • Allergies, asthma, and dust
  • Allergies, asthma, and molds
  • Allergies, asthma, and pollen
  • Allergy shots
  • Allergy testing - skin
  • Angioedema
  • Antihistamines for allergies
  • Saline nasal washes
  • Stuffy or runny nose - adult
  • Stuffy or runny nose - children


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Previous Code
477.8
Next Code
478.0

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