How to File a Workers' Comp Claim in Massachusetts: Forms & Deadlines (2026)

Filing a workers' compensation claim in Massachusetts requires following Department of Industrial Accidents (DIA) procedures and deadlines.

Step-by-Step Filing Process

Step 1: Report Injury to Employer

Deadline: As soon as possible, no later than when seek medical treatment How: Written or oral notice What to include: Date, time, location, how occurred, body parts

Step 2: Employer Files Report

Employer's duty: File with DIA and insurance carrier Timeline: Within prescribed period

Step 3: Seek Medical Treatment

Your choice: Can choose own doctor initially Employer's doctor: May request exam by employer's doctor

Step 4: File Claim (if needed)

When: If benefits denied or disputed Deadline: 4 years from injury date Form: Employee Claim Form

Critical Deadlines

Immediate: Report to employer when seek treatment 4 years: File claim from injury date

After Filing

Medical treatment: Continue with authorized care Temporary benefits: 60% of AWW Maximum (2026): Statutory limit

Related Topics

• Massachusetts Workers' Comp Benefits
• Massachusetts Workers' Compensation Overview

Last updated: January 5, 2026