Federal Worker's Compensation and Work-Related Injuries
A traumatic injury is defined as a wound or other condition of the body caused by external force, including stress or strain. The injury must be identifiable by time and place of occurrence and member of the body affected; it must be caused by a specific event or incident or series of events or incidents within a single day or work shift.
An occupational disease is defined as a condition produced in the work environment over a period longer than one work day or shift. lt may result from systemic infection, repeated stress or strain, exposure to toxins, poisons, or fumes, or other continuing conditions of the work environment.