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-CM External Cause Matrix Excel Files and SAS formats

ICD-10

• Codes for the Matrix [XLS – 50 KB]
• SAS Input Statements [SAS – 5 KB]

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] [XLS – 28 KB]
• SAS Input Statements [SAS – 7 KB]

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

• Codes for the Matrix: [PDF – 57 KB] [XLS – 34 KB]
• SAS Input Statements [SAS – 11 KB]

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

• Codes for the Matrix
• SAS Input Statements [SAS – 10 KB]

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-CM Injury Diagnosis Matrix Excel Files and SAS formats

ICD-10 (IMD Matrix)

• Codes for the Matrix: [PDF – 38 KB] [XLS – 47 KB]
• SAS Input Statements

ICD-9-CM (Barell Matrix)

• Codes for the Matrix: [PDF – 65 KB] [XLS – 67 KB]
• SAS Input Statements [SAS – 11 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)
• International Classification of External Causes of Injury (ICECI)
  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.