ICD-9 Diagnosis Code 477.1

Allergic rhinitis-food

Diagnosis Code 477.1

ICD-9: 477.1
Short Description: Allergic rhinitis-food
Long Description: Allergic rhinitis due to food
This is the 2014 version of the ICD-9-CM diagnosis code 477.1

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

Information for Patients

Food Allergy

Food allergy is an abnormal response to a food triggered by your body's immune system.

In adults, the foods that most often trigger allergic reactions include fish, shellfish, peanuts, and tree nuts, such as walnuts. Problem foods for children can include eggs, milk, peanuts, tree nuts, soy, and wheat.

The allergic reaction may be mild. In rare cases it can cause a severe reaction called anaphylaxis. Symptoms of food allergy include

  • Itching or swelling in your mouth
  • Vomiting, diarrhea, or abdominal cramps and pain
  • Hives or eczema
  • Tightening of the throat and trouble breathing
  • Drop in blood pressure

Your health care provider may use a detailed history, elimination diet, and skin and blood tests to diagnose a food allergy.

When you have food allergies, you must be prepared to treat an accidental exposure. Wear a medical alert bracelet or necklace, and carry an auto-injector device containing epinephrine (adrenaline).

You can only prevent the symptoms of food allergy by avoiding the food. After you and your health care provider have identified the foods to which you are sensitive, you must remove them from your diet.

NIH: National Institute of Allergy and Infectious Diseases

  • Allergy testing - skin
  • Anaphylaxis
  • Food Allergies: Reducing the Risks (Food and Drug Administration)
  • Food allergy

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