ICD-10 code for IEC therapy complication

The ICD-10-CM code for IEC therapy complication is T80.82 (Complication of immune effector cellular therapy).

Within T80.8 (other complications following infusion, transfusion and therapeutic injection), T80.82 is specifically for complication of immune effector cellular therapy. Related codes cover Extravasation of vesicant agent (T80.81) and other complications following infusion, transfusion and therapeutic injection (T80.89).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

The conditions in its Excludes2 note aren't part of T80.82, but may be coded alongside it if the patient has both: adverse effect of immune checkpoint inhibitors and immunostimulant drugs (T45.AX5), complication of bone marrow transplant (T86.0) and complication of stem cell transplant (T86.5).