Filing a Massachusetts workers comp claim comes down to two deadlines and a few clear steps: report the injury to your employer, get medical care, and file with the state before the statute of limitations runs out. This guide walks through the Massachusetts process in plain English, with the exact deadlines you cannot miss. All figures are from Massachusetts sources, verified as of June 2026.
Massachusetts at a Glance
| Report to employer | Notify your employer “as soon as practicable” after the injury (MGL c. 152, §41 — no fixed day count, but delayed notice can bar the claim unless the insurer was not prejudiced). Once notified, the employer must file a First Report of Injury with its insurer and the DIA within 7 calendar days (excluding Sundays and holidays) for any injury causing 5+ days of disability. If your employer fails to notify its insurer within 30 days, you may start the process yourself. |
| Deadline to file | 4 years from the date you become aware that your injury or illness is connected to your employment (MGL c. 152, §41). Note: if the insurer has paid any indemnity or medical benefits, there is effectively no statute of limitations. |
| Where to file | Massachusetts Department of Industrial Accidents (DIA). File Form 110 – Employee Claim. Send a signed original plus supporting documents to the DIA (Lafayette City Center, 2 Avenue de Lafayette, Boston, MA 02111-1750) and a copy by Certified Mail to the employer’s workers’ comp insurer. You do not need an attorney to file. |
| Choose your doctor? | For the FIRST visit, the employer/insurer may direct you to a provider within its Preferred Provider Arrangement (if one exists). After that initial visit, you generally have the right to choose your own treating doctor. The insurer may also require you to attend an Independent Medical Examination (IME) with its chosen physician. |
| Benefits start | Wage-replacement benefits begin on the 6th day of disability; the first 5 days are NOT paid unless the disability lasts 21 calendar days or more, in which case the insurer must pay retroactively for those first 5 days. The insurer has 14 days from notice to start payment, deny, or pay without prejudice. |
In This Massachusetts Guide:
Filing a Workers’ Comp Claim in Massachusetts
Filing a Massachusetts workers comp claim comes down to two deadlines and a few clear steps: report the injury to your employer, get medical care, and file with the state before the statute of limitations runs out. This guide walks through the Massachusetts process in plain English, with the exact deadlines you cannot miss. All figures are from Massachusetts sources, verified as of June 2026.
How to File a Workers’ Comp Claim in Massachusetts
First steps: 1) Get medical treatment immediately (emergency care for serious injuries). 2) Report the injury to your employer/supervisor as soon as practicable. 3) Make sure the employer files a First Report of Injury (Form 101) with its insurer and the DIA. 4) Keep copies of all medical reports, bills, and correspondence. 5) If benefits are denied or not started, file Form 110 with the DIA and the insurer.
1) Injury reported; employer files First Report with insurer/DIA. 2) Insurer has 14 days to begin paying, deny, or “pay without prejudice.” 3) If denied/disputed, you file Form 110 with the DIA and insurer. 4) DIA schedules a conciliation (informal meeting with a conciliator). 5) If unresolved, it goes to a conference before an administrative judge, who issues a temporary order.
6) If appealed, a full evidentiary hearing (“trial”) before the administrative judge. 7) Appeals go to the DIA Reviewing Board, then to the Massachusetts Court of Appeals.
Choosing a Doctor in Massachusetts
For the FIRST visit, the employer/insurer may direct you to a provider within its Preferred Provider Arrangement (if one exists). After that initial visit, you generally have the right to choose your own treating doctor. The insurer may also require you to attend an Independent Medical Examination (IME) with its chosen physician.
What to Do If Your Massachusetts Claim Is Denied
If the insurer denies or disputes your claim, file Form 110 – Employee Claim with the DIA and the insurer. The DIA dispute-resolution path is: conciliation → conference (administrative judge issues a temporary order) → hearing (full evidentiary trial) → DIA Reviewing Board → Massachusetts Court of Appeals. The agency is the Department of Industrial Accidents (DIA).
Appeal deadline: 14 days to appeal a conference order (administrative judge) to request a hearing; 30 days to appeal a hearing decision to the DIA Reviewing Board.
Was your claim denied? A denial is not the end of the road in Massachusetts — many denials are overturned on appeal. A workers’ comp attorney can review your case, usually for a free consultation.
What Happens After You File in Massachusetts
Once your claim is filed in Massachusetts, the employer’s insurer reviews it and either accepts it, asks for more information, or denies it. If it is accepted, your medical treatment is covered and your wage benefits begin after the waiting period.
Keep copies of everything — the injury report, your medical records, and any letters from the insurer — because they are what protect your claim if there is ever a dispute.
Common Mistakes That Hurt a Massachusetts Claim
The two most common ways injured workers in Massachusetts lose benefits are missing a deadline and gaps in medical treatment. Report the injury in writing as soon as you can, see a doctor and follow the treatment plan, and do not assume a verbal mention to a supervisor counts as official notice. If anything about the process is unclear, your state workers’-comp board can walk you through the next step.
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Other Massachusetts claim rules: “Pay Without Prejudice” period — the insurer can pay benefits for up to 180 days without admitting liability and may stop or reduce payments during that window with 7 days’ written notice (it can be extended to 1 year by agreement). Also, Form 110 can be filed by the worker directly if the employer fails to report to its insurer within 30 days.
These figures change periodically — confirm current values with the DIA and a licensed Massachusetts attorney.
Filing Your Massachusetts Workers Comp Claim the Right Way
A Massachusetts workers comp claim stands or falls on two things: hitting the deadlines and documenting the injury. Report the injury to your employer within the state window, file the Massachusetts workers comp claim with the right agency before the statute of limitations runs out, and keep seeing your doctor.
Most denied claims come down to a missed deadline or a thin medical record — get both right and your Massachusetts workers comp claim is on solid ground.
Frequently Asked Questions
How long do I have to report a work injury in Massachusetts?
In Massachusetts, you generally must tell your employer within Notify your employer “as soon as practicable” after the injury (MGL c. 152, §41 — no fixed day count, but delayed notice can bar the claim unless the insurer was not prejudiced).
Once notified, the employer must file a First Report of Injury with its insurer and the DIA within 7 calendar days (excluding Sundays and holidays) for any injury causing 5+ days of disability. If your employer fails to notify its insurer within 30 days, you may start the process yourself. of the injury. Report it in writing as soon as you can — waiting can put your benefits at risk.
How long do I have to file a workers’ comp claim in Massachusetts?
The Massachusetts statute of limitations to file is 4 years from the date you become aware that your injury or illness is connected to your employment (MGL c. 152, §41). Note: if the insurer has paid any indemnity or medical benefits, there is effectively no statute of limitations.. Reporting the injury and filing the claim are two separate deadlines — do not rely on one to cover the other.
What if my Massachusetts workers’ comp claim is denied?
If the insurer denies or disputes your claim, file Form 110 – Employee Claim with the DIA and the insurer. The DIA dispute-resolution path is: conciliation → conference (administrative judge issues a temporary order) → hearing (full evidentiary trial) → DIA Reviewing Board → Massachusetts Court of Appeals. The agency is the Department of Industrial Accidents (DIA).
Official Massachusetts Sources & Resources
- Massachusetts Massachusetts Department of Industrial Accidents (DIA): https://www.mass.gov/orgs/department-of-industrial-accidents
- Massachusetts Workers’ Comp Statute: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXXI/Chapter152/Section41
- U.S. Department of Labor — Workers’ Comp: dol.gov
- Insurance Information Institute: iii.org
This Massachusetts workers comp claim guide was last verified against official sources in June 2026. Deadlines and procedures change — confirm the current rule with your state workers’-comp board or a licensed attorney.
More Massachusetts Workers’ Comp Guides
- Massachusetts Workers’ Comp Settlements
- Massachusetts Workers’ Comp Requirements (Employers)
- Workers’ Comp Guides for All 50 States
Disclaimer: This guide is informational only and is not legal, medical, or financial advice. Workers Comp Explained is an independent educational resource, not a law firm or insurer. Workers’ comp benefits, settlement values, deadlines, and requirements vary by state and by the specific facts of your injury and change over time, and any settlement figures here are illustrative only.
Confirm your rights and any deadline with your state’s workers’ compensation board and a licensed attorney before you act.