• Y35-Y38 Legal intervention, operations of war, military operations, and terrorism
• Y62-Y69 Misadventures to patients during surgical and medical care
• Y70-Y82 Medical devices associated with adverse incidents in diagnostic and therapeutic use
• Y83-Y84 Surgical and other 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
• Y90-Y99 Supplementary factors related to causes of morbidity classified elsewhere