AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2021 Issue 4; ICD-10-CM New/Revised Codes

Complications of Immune Effector Cellular Therapy

A new code has been created to capture complications of immune effector cellular (IEC) therapy with the corresponding seventh characters for initial encounter, subsequent encounter and sequela as follows: T80.82, Complication of immune effector cellular therapy Immune effector cells have the ability to modulate or effect an immune response. B cells, dendritic cells, natural killer cells, and T cells are collected from the patient, transformed into a therapeutic product, and then administered back into the patient. These cellular therapy products are part of an innovative cancer treatment called immunotherapy, in which the patient’s immune system attacks the...

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