OIICS - Occupational Injury and Illness Classification System

A classification system that the BLS uses to code the case characteristics of injuries, illnesses, and fatalities in the Survey of Occupational Injuries and Illnesses (SOII), and the Census of Fatal Occupational Injuries (CFOI) programs. This manual contains the rules of selection, code descriptions, code titles, and indices, for the following code structures:

  • Nature of Injury or Illness.

  • Part of Body Affected.

  • Source of Injury or Illness.

  • Event or Exposure.

  • Secondary Source of Injury or Illness.