Occupational Health

Work-Relatedness Determination

The clinical judgment of whether a workplace event or exposure caused or contributed to an injury or illness.

Reviewed June 2026 by Enterprise Health

Key facts

  • Decides whether work caused or contributed to a case.
  • Determines OSHA recordability and workers'-comp eligibility.
  • OSHA presumes work-relatedness for events in the work environment, with exceptions.

What it means

Determining work-relatedness decides whether a case is OSHA-recordable and whether it belongs in workers' compensation. OSHA presumes work-relatedness when an event in the work environment caused or contributed to the condition, subject to specific exceptions. Capturing the reasoning at the encounter keeps the 300 Log and claims defensible.

Frequently asked

Why does work-relatedness matter?

It decides whether a case goes on the OSHA 300 Log and whether it belongs in workers' compensation. The clinical reasoning behind it needs to be captured to keep both defensible.

How does OSHA define work-relatedness?

OSHA presumes a case is work-related when an event or exposure in the work environment caused or contributed to it, subject to specific listed exceptions. The determination is a clinical judgment made at the encounter.

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