Y84.8
ICD-10-CMOther medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
This code signifies an adverse patient outcome or complication that arises from a medical procedure, where the procedure itself was performed correctly and without any immediate error or misadventure. It indicates that the patient's body reacted abnormally to an otherwise appropriate and properly executed medical intervention.
Use this code when a patient experiences a complication or adverse effect directly attributable to a medical procedure, but there is no evidence of a procedural error, accident, or negligence during the procedure itself. Examples include unexpected allergic reactions to contrast dye, unforeseen tissue damage from a correctly performed biopsy, or an unusual physiological response to a therapeutic intervention.
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