AHA Coding Clinic® for ICD-9 - 2008 Issue 1; Ask the Editor
Anaphylactic Reaction
A five-year-old with a known allergy to tree nuts presented to the emergency department with wheezing and urticaria. The patient was diagnosed with an anaphylactic reaction secondary to eating cookies containing walnuts, which was successfully treated. Please clarify the correct code assignment for a patient that has experienced an anaphylactic reaction but does not go into shock. We have been told that codes for anaphylaxis (995.0 and 995.6x) should only be used when the patient experiences anaphylactic shock. Is this correct? ...
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Article Overview
This premium coding article discusses an emergency department scenario involving a food-related allergic reaction and the question of how anaphylaxis should be coded when shock is not present. It is intended for coders, CDI staff, and billing professionals who need to understand the coding implications, the relevant ICD-9-CM category, and the article’s guidance on this clinical situation.
Why This Topic Matters
Correctly identifying the appropriate diagnosis code for anaphylactic reactions affects claim accuracy, record consistency, and compliant code selection in allergy-related emergency care cases.
What You Will Learn
- How the article frames coding for food-related anaphylactic reactions
- What coding topic is being addressed in relation to shock versus non-shock presentations
- Which ICD-9-CM category the article focuses on for this scenario
- How the guidance applies to an emergency department allergy case
Who Should Read This
- Medical coders
- Coding auditors
- CDI specialists
- Billing staff
- Emergency department coding staff
Codes Discussed
Code Ranges Discussed
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