SUPPLEMENTARY CLASSIFICATION OF EXTERNAL CAUSES OF INJURY AND POISONING (E000-E999)
This section is provided to permit the classification of environmental events, circumstances, and conditions as the cause of injury, poisoning, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used in addition to a code from one of the main chapters of ICD-9-CM, indicating the nature of the condition. Certain other conditions which may be stated to be due to external causes are classified in Chapters 1 to 16 of ICD-9-CM. For these, the "E" code classification should be used as an additional code for more detailed analysis.
Machinery accidents [other than those connected with transport] are classifiable to category E919, in which the fourth digit allows a broad classification of the type of machinery involved.
Categories for "late effects" of accidents and other external causes are to be found at E929, E959, E969, E977, E989, and E999.
INJURY RESULTING FROM OPERATIONS OF WAR (E990-E999)
Includes:
injuries to military personnel and civilians caused by war and civil insurrections and occurring during the time of war and insurrection, and peacekeeping missions
Excludes:
accidents during training of military personnel, manufacture of war material and transport, unless attributable to enemy action
E990: Injury due to war operations by fires and conflagrations
Includes:
asphyxia, burns, or other injury originating from fire caused by a fire-producing device or indirectly by any conventional weapon
E991: Injury due to war operations by bullets and fragments
Excludes:
injury due to bullets and fragments due to war operations, but occurring after cessation of hostilities (E998.0)
injury due to explosion of artillery shells and mortars (E993.2)
injury due to explosion of improvised explosive device [IED] (E993.3-E993.5)
injury due to sea-based artillery shell (E992.3)
E992: Injury due to war operations by explosion of marine weapons
E993: Injury due to war operations by other explosion
Injuries due to direct or indirect pressure or air blast of an explosion occurring during war operations
Excludes:
injury due to fragments resulting from an explosion (E991.0-E991.9)
injury due to detonation of unexploded ordnance but occurring after cessation of hostilities (E998.0-E998.9)
injury due to nuclear weapons (E996.0-E996.9)
E994: Injury due to war operations by destruction of aircraft
E995: Injury due to war operations by other and unspecified forms of conventional warfare
E996: Injury due to war operations by nuclear weapons
Dirty bomb NOS
Excludes:
late effects of injury due to nuclear weapons (E999.1, E999.0)
E997: Injury due to war operations by other forms of unconventional warfare
E998: Injury due to war operations but occurring after cessation of hostilities
Injuries due to operations of war but occurring after cessation of hostilities by any means classifiable under E990-E997
Injuries by explosion of bombs or mines placed in the course of operations of war, if the explosion occurred after cessation of hostilities
E999: Late effect of injury due to war operations and terrorism
Note:
This category is to be used to indicate circumstances classifiable to E979, E990-E998 as the cause of death or disability from late effects, which are themselves classifiable elsewhere. The "late effects" include conditions reported as such or as sequelae which may occur at any time after injury resulting from operations of war or terrorism.

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