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Tools and Frameworks

Tools for Categorizing Injuries using ICD Codes

Overview of the ICD Injury Matrices

External Cause-of-Injury (E-code) Matrices

ICD-10-CM (Updated October 2020)

• The International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) External Cause-of-Injury Framework for Categorizing Mechanism and Intent of Injury [PDF – 492 KB]

ICD-10

Note: The ICD-10 External Cause Matrix was updated to include code W46 Contact with hypodermic needle. The code is categorized as “Unintentional” and “Cut or Pierce” (9/9/2011).

ICD-9

• Codes for the Matrix:[PDF – 41 KB]

ICD-9 modified to be consistent with ICD-10 External Cause of Injury

• Codes for the Matrix: [PDF – 57 KB]

ICD-9-CM (Matrix updated and maintained by NCIPC)

• Codes for the Matrix

Injury Diagnosis Matrices

ICD-10-CM

• The 2020 International Classification of Diseases, 10th Revision, Clinical Modification Injury Diagnosis Framework for Categorizing Injuries by Body Region and Nature of Injury [PDF – 536 KB]

ICD-10 (IMD Matrix)

• Codes for the Matrix: [PDF – 38 KB]

ICD-9-CM (Barell Matrix)

• Codes for the Matrix: [PDF – 65 KB]

Classification Systems

• International Classification of Diseases Home Page
  • International Classification of Diseases, Ninth Revision (ICD-9)
  • International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
  • International Classification of Diseases, Tenth Revision (ICD-10)
  • International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
  • Classification of Death and Injury from Terrorism
  • International Classification of Functioning, Disability and Health (ICF)
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  The International Classification of External Causes of Injury (ICECI) is based on best practices of injury surveillance and on international consensus about how external causes may be described.