Upper airway obstruction 2nd anaphylaxis

Legacy Content

This page is about the pre-ICD10 diagnosis coding schema. See the ICD10 Diagnosis List, or the following for similar diagnoses in ICD10:Anaphylactic reaction (anaphylaxis)

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Category/Organ System:	Category: Respiratory(old) (old)
Type:	Category: Medical Problem (old)
Main Diagnosis:	Respiratory failure other
Sub Diagnosis:	Upper airway obstruction 2nd anaphylaxis
Diagnosis Code:	2415 - Upper Airway obstruction 2nd to anaphylaxis
Comorbid Diagnosis:	No
Charlson Comorbid coding (pre ICD10):	0
Program:	CC & Med
Status:	Currently Collected

The following codes all mean the same thing:

• 2304 Upper airway obstruction 2nd angioneurotic edema
• 2415 Upper airway obstruction 2nd anaphylaxis
• 3003 Respiratory failure 2nd anaphylaxis

• Code 89500 Allergic reaction refers to non respiratory allergic reactions.
• Code 13400 Anaphylactic Shock refers to "shock" due to allergic reaction.

ICD10

• In ICD10 this requires 2 codes: Anaphylactic reaction (anaphylaxis) + one or the other of:
  • Disorder of upper respiratory tract, infectious or noninfectious NOS
  • Edema, localized NOS