Quick Answer
Guide to covered injuries under Massachusetts workers' compensation including work-related accidents and occupational diseases.
Massachusetts workers' compensation covers injuries arising out of and in the course of employment.
Coverage Rule
Arising out of: Causal connection to work In course of: During employment Both required
Types Covered
Work accidents Repetitive trauma Occupational diseases Aggravation of pre-existing
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Last updated: January 5, 2026
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