Lost Time Injury (LTI)

Definition - What does Lost Time Injury (LTI) mean?

A lost time injury (LTI) is an injury sustained by an employee that will ultimately lead to the loss of productive work time in the form of worker delays or absenteeism. An injury is considered a lost time injury only when the worker is unable to perform the regular duties of the job, takes time off for recovery, or is assigned modified work duties for the recovery period.

Safeopedia explains Lost Time Injury (LTI)

A lost time injury occurs when an employee is injured while carrying out a work-related task for the employer, and is then unable for perform the regular duties for a complete shift or period of time after the incident. This is not just limited to their one regular shift only, but it can extend up to all the shifts in which the employee is unable to perform the regular duties. From the time of the initial injury until the time the employee is able to return to regular work duties, the time lost is the duration of the lost time injury. Regular work duties are those duties that are defined in the job description of the employee.

Lost time injuries are used in calculating Lost Time Injury Frequency Rate (LTIFR) and Lost Time Injury Incidence Rate (LTIIR).

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