AHA Coding Clinic® for ICD-9 - 2002 Fourth Quarter; VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES
Terrorism E Codes
In response to the events of September 11, a set of new codes has been developed to allow the identification of injuries and illnesses from terrorism. The inclusion note under E979 uses the definition of terrorism developed by the U.S. Federal Bureau of Investigation (FBI). The structure of these codes parallels to a large extent the categories of the ICD-10 category, "Operations of War" in "Chapter XX, External Causes of Morbidity and Mortality." This new set of codes is not intended to be a refined classification encompassing all aspects of terrorism. To classify a death or an...
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Article Overview
This article covers a terrorism-focused update to external-cause ICD coding that was created in response to the events of September 11. It outlines the overall category structure, the major types of terrorism-related circumstances covered, and revisions to late-effect coding related to war operations and terrorism. The content is relevant to coders, compliance staff, and clinical documentation teams who need to understand how these event categories are organized and referenced in the coding system.
Why This Topic Matters
Correctly recognizing whether a case falls into these externally caused event categories affects classification of injuries, deaths, and sequelae tied to terrorism or related late effects. The article also helps readers understand how the terrorism categories relate to broader war-operation guidance in the ICD external-cause framework.
Article Sections
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TERRORISM (E979)
Introduces the new terrorism-related external-cause category and describes its place within the broader ICD external-cause framework.
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New code E979.0 Terrorism involving explosion of marine weapons
Lists the marine-weapon terrorism subcategory and the types of event circumstances grouped under it.
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New code E979.1 Terrorism involving destruction of aircraft
Covers the aircraft-destruction subcategory and the circumstances referenced within it.
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New code E979.2 Terrorism involving other explosions and fragments
Describes the explosions-and-fragments subcategory and the related event forms included in this grouping.
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New code E979.3 Terrorism involving fires, conflagration and hot substances
Addresses fire, conflagration, and heat-related terrorism circumstances and related examples.
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New code E979.4 Terrorism involving firearms
Summarizes the firearms-related terrorism subcategory and its grouped circumstances.
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New code E979.5 Terrorism involving nuclear weapons
Covers the nuclear-weapons terrorism subcategory and the associated broad exposure effects.
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New code E979.6 Terrorism involving biological weapons
Lists the biological-weapons terrorism subcategory and the organisms or diseases referenced within it.
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New code E979.7 Terrorism involving chemical weapons
Covers the chemical-weapons terrorism subcategory and the types of agents named in the article.
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New code E979.8 Terrorism involving other means
Describes the miscellaneous terrorism-related circumstances grouped into the remaining subcategory.
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New code E979.9 Terrorism, secondary effects
Explains the secondary-effects subcategory and its relationship to conditions occurring after a terrorist attack.
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Revise E999 Late effect of injury due to war operations and terrorism
Summarizes the revision to late-effect guidance and the related expansion of circumstances covered by the category.
What You Will Learn
- How the terrorism-related external-cause category is organized
- Which broad incident types are grouped under the terrorism update
- How late-effect guidance is revised for war operations and terrorism
- How the article connects these codes to the ICD external-cause framework
Who Should Read This
- Medical coders
- Coding auditors
- Compliance professionals
- Health information management staff
- Clinical documentation specialists
Codes Discussed
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