Matrix of E-code Groupings
Table 1. Recommended framework of E-code groupings for presenting injury mortality and morbidity data (August 10, 2011)
This matrix contains the ICD-9 external-cause-of-injury codes used for coding of injury mortality data and additional ICD-9-CM external-cause-of-injury codes, designated in bold, only used for coding of injury morbidity data. In addition, a list of ICD-9-CM external-cause-of-injury codes that have been added since 1994 along with their descriptors is appended to the matrix.
Mechanism/Cause | Manner/Intent | ||||
---|---|---|---|---|---|
Unintentional | Self-inflicted | Assault | Undetermined | Other1 | |
Cut/pierce | E920.0-.9 | E956 | E966 | E986 | E974. E995.2 |
Drowning/submersion | E830.0-.9, E832.0-.9 E910.0-.9 | E954 | E964 | E984 | E995.4 |
Fall | E880.0-E886.9, E888 | E957.0-.9 | E968.1 | E987.0-.9 | |
Fire/burn3 | E890.0-E899, E924.0-.9 | E958.1,.2,.7 | E961, E968.0,.3, E979.3 | E988.1,.2,.7 | |
Fire/flame3 | E890.0-E899 | E958.1 | E968.0, E979.3 | E988.1 | |
Hot object/substance | E924.0-.9 | E958.2,.7 | E961, E968.3 | E988.2,.7 | |
Firearm3 | E922.0-.3,.8, .9 | E955.0-.4 | E965.0-4, E979.4 | E985.0-.4 | E970 |
Machinery | E919 (.0-.9) | ||||
Motor vehicle traffic2,3 | E810-E819 (.0-.9) | E958.5 | E968.5 | E988.5 | |
Occupant | E810-E819 (.0,.1) | ||||
Motorcyclist | E810-E819 (.2,.3) | ||||
Pedal cyclist | E810-E819 (.6) | ||||
Pedestrian | E810-E819 (.7) | ||||
Unspecified | E810-E819 (.9) | ||||
Pedal cyclist, other | E800-E807 (.3) E820-E825 (.6), E826.1,.9 E827-E829(.1) | ||||
Pedestrian, other | E800-807(.2) E820-E825(.7) E826-E829(.0) | ||||
Transport, other | E800-E807 (.0,.1,.8,.9) E820-E825 (.0-.5,.8,.9) E826.2-.8 E827-E829 (.2-.9), E831.0-.9, E833.0-E845.9 | E958.6 | E988.6 | ||
Natural/environmental | E900.0-E909, E928.0-.2 | E958.3 | E988.3 | ||
Bites and stings3 | E905.0-.6,.9 E906.0-.4,.5,.9 | ||||
Overexertion | E927.0-.4,.8-.9 | ||||
Poisoning | E850.0-E869.9 | E950.0-E952.9 | E962.0-.9, E979.6,.7 | E980.0-E982.9 | E972 |
Struck by, against | E916-E917.9 | E960.0; E968.2 | E973, E975, E995 (.0,.1) | ||
Suffocation | E911-E913.9 | E953.0-.9 | E963 | E983.0-.9 | E995.3 |
Other specified and classifiable3,4 | E846-E848, E914-E915 E918, E921.0-.9, E922.4,.5 E923.0-.9, E925.0-E926.9 E928(.3-.7), E929.0-.5 | E955.5,.6,.7,.9 E958.0,.4 | E960.1, E965.5-.9 E967.0-.9, E968.4,.6, .7 E979 (.0-.2,.5,.8,.9) | E985.5,.6,.7 E988.0,.4 | E971, E978, E990-E994, E996 E997.0-.2 |
Other specified, not elsewhere classifiable | E928.8, E929.8 | E958.8, E959 | E968.8, E969,E999.1 | E988.8, E989 | E977, E995 (.8,.9), E997.8 E998, E999.0 |
Unspecified | E887, E928.9, E929.9 | E958.9 | E968.9 | E988.9 | E976, E997.9 |
All injury3 | E800-E869, E880-E929 | E950-E959 | E960-E969, E979,E999.1 | E980-E989 | E970-E978, E990-E999.0 |
Adverse effects | E870-E879 E930.0-E949.9 | ||||
Medical care | E870-E879 | ||||
Drugs | E930.0-E949.9 | ||||
All external causes | E800-E999 |
1Includes legal intervention (E970-E978) and operations of war (E990-E999).
2Three 4th-digit codes (.4 [occupant of streetcar], .5 [rider of animal], .8 [other specified person]) are not presented separately because of small numbers. However, because they are included in the overall motor vehicle traffic category, the sum of these categories can be derived by subtraction.
3Codes in bold are for morbidity coding only. For details see table 2.
4E849 (place of occurrence) has been excluded from the matrix. For mortality coding, an ICD-9 E849 code does not exist. For morbidity coding, an ICD-9-CM E849 code should never be first-listed E code and should only appear as an additional code to specify the place of occurrence of the injury incident.
Note: ICD-9 E codes for coding underlying cause of death apply to injury-related death data from 1979 through 1998. Then there is a new ICD-10 external cause of injury matrix that applies to death data from 1999 and after. This can be found on the National Center for Health Statistics website.
ICD-10 External-Cause-of-Injury-Code Matrix for Presenting Injury Mortality Data (NCHS)
Table 2. New ICD-9-CM external-cause-of-injury codes (E-codes) implemented by year since October 1994
Year | E-code | Description |
---|---|---|
1994 | E869.4 | Accidental poisoning by second-hand tobacco smoke |
1995 | E854.8 | Accidental poisoning by other psychotropic agents |
1995 | E880.1 | Fall on or from sidewalk curb |
1995 | E884.2 | Fall from chair |
1995 | E884.3 | Fall from wheelchair |
1995 | E884.4 | Fall from bed |
1995 | E884.5 | Fall from other furniture |
1995 | E884.6 | Fall from commode |
1995 | E906.5 | Bite from unspecified animal |
1995 | E908.0 | Hurricane |
1995 | E908.1 | Tornado |
1995 | E908.2 | Floods |
1995 | E908.3 | Blizzard |
1995 | E908.4 | Dust storm |
1995 | E908.8 | Other cataclysmic storms |
1995 | E908.9 | Unspecified cataclysmic storms |
1995 | E909.0 | External cause of injury due to earthquakes |
1995 | E909.1 | External cause of injury due to volcanic eruptions |
1995 | E909.2 | External cause of injury due to avalanche, landslide or mudslide |
1995 | E909.3 | External cause of injury due to collapse of dam or man-made structure |
1995 | E909.4 | External cause of injury due to tidal wave caused by earthquake |
1995 | E909.8 | Other cataclysmic earth surface movements and eruptions |
1995 | E909.9 | Unspecified cataclysmic earth surface movements and eruptions |
1995 | E920.5 | Accidents caused by hypodermic needle |
1995 | E924.2 | Accident caused by hot (boiling) tap water |
1995 | E968.5 | Assault by transport vehicle |
1996 | E967.2 | Battering and other maltreatment by mother or stepmother |
1996 | E967.3 | Battering and other maltreatment by spouse or partner |
1996 | E967.4 | Battering and other maltreatment by child |
1996 | E967.5 | Battering and other maltreatment by sibling |
1996 | E967.6 | Battering and other maltreatment by grandparent |
1996 | E967.7 | Battering and other maltreatment by other relative |
1996 | E967.8 | Battering and other maltreatment by non-related caregiver |
1997 | E922.4 | Unintentional injury (gunshot wound) with BB/pellet gun |
1997 | E955.6 | Suicide attempt/intentionally self-inflicted with BB/pellet gun |
1997 | E968.6 | Assault with BB/pellet gun |
1997 | E985.6 | Undetermined intent injury (gunshot wound) with BB/pellet gun |
2000 | E885.1 | Fall from roller skates/inline skates |
2000 | E885.2 | Fall from skateboard |
2000 | E885.3 | Fall from skis |
2000 | E885.4 | Fall from snowboard |
2000 | E885.9 | Fall from other slipping, tripping, or stumbling (including fall from moving sidewalk, fall from or in stationary motor vehicle, tripping or falling over an animal, stumbling over object) |
2000 | E928.3 | Human bite (unintentional) |
2000 | E968.7 | Human bite (assault) |
2001 | E888.0 | Fall resulting in striking against sharp object (use additional e code to identify object (E920) |
2001 | E888.1 | Fall resulting in striking against other object |
2001 | E888.8 | Other fall |
2001 | E888.9 | Unspecified fall (Fall NOS) |
2001 | E917.0 | Striking against in sports without subsequent fall (revised) |
2001(revised) | E917.1 | Striking against caused by collective fear or panic without subsequent fall |
2001(revised) | E917.2 | Striking against in running water without subsequent fall drowning or submersion...that in sports) |
2001 | E917.3 | Striking against furniture without subsequent fall (excludes fall from furniture) |
2001 | E917.4 | Striking against other stationary object without subsequent fall(includes bath tub, fence, lamp-post) |
2001 | E917.5 | Striking against object in sports with subsequent fall (including knocked down while boxing) |
2001 | E917.6 | Striking against or struck by caused by a crowd, by collective fear or panic with subsequent fall) |
2001 | E917.7 | Striking against furniture with subsequent fall |
2001 | E917.8 | Striking against stationary object with subsequent fall |
2001(revised) | E917.9 | Other striking against with or without subsequent fall |
2002 | E885.0 | Fall from (non-motorized) scooter |
2002 | E922.5 | Paintball gun (unintentional) |
2002 | E955.7 | Paintball gun (suicide or intentional self-harm) |
2002 | E985.7 | Paintball gun (undetermined intent) |
2002 | E979.0 | Terrorism involving explosion of marine weapons |
2002 | E979.1 | Terrorism involving destruction of aircraft |
2002 | E979.2 | Terrorism involving other explosions and fragments |
2002 | E979.3 | Terrorism involving fires, conflagration and hot substances |
2002 | E979.4 | Terrorism involving firearms |
2002 | E979.5 | Terrorism involving nuclear weapons |
2002 | E979.6 | Terrorism involving biological weapons |
2002 | E979.7 | Terrorism involving chemical weapons |
2002 | E979.8 | Terrorism involving other means |
2002 | E979.9 | Terrorism, secondary effects |
2002 | E999.0 | Late effect of injury due to war operations |
2002 | E999.1 | Late effect of injury due to terrorism |
2003 | E928.4 | External constriction caused by hair |
2003 | E928.5 | External constriction caused by other object |
2007 | E933.6 | Oral bisphosphonates |
2007 | E933.7 | Intravenous bisphosphonates |
2008 | E927.0 | Overexertion from sudden strenuous movement |
2008 | E927.1 | Overexertion from prolonged static position |
2008 | E927.2 | Excessive physical exertion from prolonged activity |
2008 | E927.4 | Cumulative trauma from repetitive motion |
2008 | E927.4 | Cumulative trauma from repetitive impact |
2008 | E927.8 | Other overexertion and strenuous and repetitive movements or loads |
2008 | E927.9 | Unspecified overexertion and strenuous and repetitive movements or loads |
2008 | E928.6 | Environmental exposure to harmful algae and toxins |
2009 | E830-E838 (.7) | Occupant of military watercraft, any type |
2009 | E928.7 | Mechanism or component of firearm and air gun |
2009 | E990.0 | Injury due to war operations by fires and conflagration from gasoline bomb |
2009 | E990.1 | Injury due to war operations by fires and conflagration from flame thrower |
2009 | E990.2 | Injury due to war operations by fires and conflagration from incendiary bullet |
2009 | E990.3 | Injury due to war operations by fires and conflagration from fire caused indirectly from conventional weapon |
2009 | E991.4 | Injury due to war operations by bullets and fragments from munitions |
2009 | E991.5 | Injury due to war operations by bullets and fragments from person-borne improvised explosive device [IED] |
2009 | E991.6 | Injury due to war operations by bullets and fragments from vehicle-borne improvised explosive device [IED] |
2009 | E991.7 | Injury due to war operations by bullets and fragments from other improvised explosive device [IED] |
2009 | E991.8 | Injury due to war operations by bullets and fragments from weapons |
2009 | E991.9 | Injury due to war operations by bullets and fragments from other/unspecified fragments |
2009 | E992.0 | Injury due to war operations by explosion of marine weapons - Torpedo |
2009 | E992.1 | Injury due to war operations by explosion of marine weapons – Depth charge |
2009 | E992.2 | Injury due to war operations by explosion of marine weapons – Marine mines |
2009 | E992.3 | Injury due to war operations by explosion of marine weapons – Sea-based artillery shell |
2009 | E992.8 | Injury due to war operations by explosion of marine weapons – Other marine weapons |
2009 | E992.9 | Injury due to war operations by explosion of marine weapons – Unspecified marine weapon |
2009 | E993.0 | Injury due to war operations by other explosion – Aerial bomb |
2009 | E993.1 | Injury due to war operations by other explosion – Guided missile |
2009 | E993.2 | Injury due to war operations by other explosion – Mortar |
2009 | E993.3 | Injury due to war operations by other explosion – Person-borne improvised explosive device [IED] |
2009 | E993.4 | Injury due to war operations by other explosion – Vehicle-borne improvised explosive device [IED] |
2009 | E993.5 | Injury due to war operations by other explosion – Other improvised explosive device [IED] |
2009 | E993.6 | Injury due to war operations by other explosion – Unintentional detonation of own munitions |
2009 | E993.7 | Injury due to war operations by other explosion – Unintentional discharge of own munitions launch device |
2009 | E993.8 | Injury due to war operations by other explosion – Other specified explosion |
2009 | E993.9 | Injury due to war operations by other explosion – Unspecified explosion |
2009 | E994.0 | Injury due to war operations by destruction of aircraft – due to enemy fire or explosives |
2009 | E994.1 | Injury due to war operations by destruction of aircraft – Unintentional due to own onboard explosives |
2009 | E994.2 | Injury due to war operations by destruction of aircraft – due to collisions with other aircraft |
2009 | E994.3 | Injury due to war operations by destruction of aircraft – due to onboard fire |
2009 | E994.8 | Injury due to war operations by destruction of aircraft – Other |
2009 | E994.9 | Injury due to war operations by destruction of aircraft – Unspecified |
2009 | E995.0 | Injury due to war operations by other and unspecified forms of convention warfare – Unarmed hand-to-hand combat |
2009 | E995.1 | Injury due to war operations by other and unspecified forms of convention warfare – Struck by blunt object |
2009 | E995.2 | Injury due to war operations by other and unspecified forms of convention warfare – Piercing object |
2009 | E995.3 | Injury due to war operations by other and unspecified forms of convention warfare – Intentional restriction of air and airway |
2009 | E995.4 | Injury due to war operations by other and unspecified forms of convention warfare – Unintentional drowning due to inability to surface or obtain air |
2009 | E995.8 | Injury due to war operations by other and unspecified forms of convention warfare – Other forms of conventional warfare |
2009 | E995.9 | Injury due to war operations by other and unspecified forms of convention warfare – Unspecified form of conventional warfare |
2009 | E996.0 | Injury due to war operations by nuclear weapon – Direct blast effect |
2009 | E996.1 | Injury due to war operations by nuclear weapon – Indirect blast effect |
2009 | E996.2 | Injury due to war operations by nuclear weapon – Thermal radiation effects |
2009 | E996.3 | Injury due to war operations by nuclear weapon – Nuclear radiation effects |
2009 | E996.8 | Injury due to war operations by nuclear weapon – Other effects |
2009 | E996.9 | Injury due to war operations by nuclear weapon – Unspecified effects |
2009 | E997.3 | Injury due to war operations by other forms of conventional warfare – Weapon of mass destruction [WMD], unspecified |
2009 | E998.0 | Injury due to war operations but occurring after cessation of hostilities – Explosion of mines |
2009 | E998.1 | Injury due to war operations but occurring after cessation of hostilities – Explosion of bombs |
2009 | E998.8 | Injury due to war operations but occurring after cessation of hostilities – Other |
2009 | E998.9 | Injury due to war operations but occurring after cessation of hostilities – Unspecified |
Important Note: New E codes and revised E codes were implemented in October of each year listed. In most instances, the expanded categories (i.e., adding a new fourth digit) were previously classified in other more broadly defined E codes. Expansions of these categories allow data capture at a detailed level. A major change was made on October 1, 2001 to help classify cases that involve "a fall followed by a struck by/against" and "a struck by/against followed by a fall." This brought about major revisions to inclusion and exclusion criteria for E888 and E917 codes. The new codes and revised E888 and E917 codes are listed above. Note that E917.1, E917.2 and E917.9 have substantially revised definitions. On October 1, 2002, E codes were added to capture “fall (non-motorized) scooter” and to capture injuries associated with paintball guns. Note that there is not a new specific code for paintball gun assault. This is because there were no more available assault codes at the 4th digit. Also, terrorism codes were added. On October 1, 2003, E928.4 (i.e., external constriction caused by hair) was added to capture injuries, particularly in infants, where the hair on a finger or toe can lead to circulation problems and possibly gangrene. Also, E928.5 (i.e., external constriction caused by other object) was added to capture injuries due to other objects, such as a wedding ring that may become imbedded in skin. This is sometimes seen in cases where someone gained weight and didn't remove a ring from their finger.
On October 1, 2013, ICD-10-CM will be implemented in the United States for classification and coding of morbidity data. CDC is working on developing a new external-cause-of-injury matrix and crosswalk from ICD-9-CM to ICD-10-CM. This is a challenging effort because of much more specificity and many more codes in ICD-10-CM compared to ICD-9-CM. For example, ICD-9-CM has about 14,000 codes compared to ICD-10-CM which has about 68,000 codes (i.e., including diagnosis and external cause codes). Also, ICD-10-CM does not include external cause codes for most poisonings and toxic effects. Poisoning and toxic effects are specified using T codes with intent indicated using an addition digit on the code. (If you want to explore the new ICD-10-CM code sets, go to www.cdc.gov/nchs/icd/icd10cm.htm.) This was done in order to provide much more specificity about the substance involved in a poisoning incident. The new ICD-10-CM will go through extensive review prior to release so it will not be ready for a year or so. CDC will keep our partners and colleagues informed regarding progress toward completing this task.
- Page last reviewed: August 29, 2014
- Page last updated: April 29, 2014
- Content source:
- Centers for Disease Control and Prevention, National Center for Injury Prevention and Control