Operations of war

**Includes:** - injuries to military personnel and civilians caused by war, civil insurrection, and peacekeeping missions

**Excludes1:** - injury to military personnel occurring during peacetime military operations (Y37.-) - military vehicles involved in transport accidents with non-military vehicle during peacetime (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)

**7th character note:** - The appropriate 7th character is to be added to each code from category Y36

**7th character:** - A: initial encounter - D: subsequent encounter - S: sequela