AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2026 Issue 3; Ask the Editor
Infusion Reaction Secondary to Rituximab
A patient with lymphoma experienced chills, shortness of breath, and malaise during a routine rituximab infusion. The patient was admitted from the emergency department and diagnosed with, “Infusion reaction secondary to rituximab.” Is the reaction coded as a complication of the infusion, or as an adverse effect of the Rituximab drug?
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