Skip to content 
A closed workers’ compensation claim is not a finished one. Arizona allows an injured worker to petition to reopen a claim that was previously accepted but the test is narrower than most people expect, and one rule quietly costs claimants money every week they wait. It is the first thing a workers compensation law firm checks when someone calls about a claim that closed years ago.
Can I Reopen a Closed Workers Comp Claim in Arizona?
Yes, if the claim was previously accepted and your condition has genuinely changed. A.R.S. § 23-1061(H) provides that on a claim that has been previously accepted, an employee may reopen it to secure an increase or rearrangement of compensation or additional benefits, by filing a petition with the Industrial Commission on the basis of a new, additional or previously undiscovered temporary or permanent condition and that petition shall be accompanied by a statement from a physician setting forth the physical condition of the employee relating to the claim.
Three elements, all required:
- The claim was previously accepted not denied
- There is a new, additional or previously undiscovered condition
- A physician’s statement connects that condition to the original industrial injury
Note what is absent: there is no fixed deadline in the statute for filing a petition to reopen, unlike the one-year window for filing an initial claim. That sounds reassuring. The next section explains why it is not.
The Rule That Costs People Money
No monetary compensation is payable for any period before the date you file the petition. The statute says so directly, and it is the single most important practical fact on this page.
Benefits do not backdate to when your symptoms returned, when your doctor first documented the change, or when you stopped being able to work. They run from the filing date forward. Every week between the worsening and the petition is a week of benefits that cannot be recovered later.
Surgical benefits follow the same rule with one narrow exception: they are not payable for any period before the filing date, except for a period of up to seven days before filing where a bona fide medical emergency prevented the worker from petitioning before the surgery.
So the absence of a filing deadline is not a reason to wait, it is the reason workers comp lawyers push to file as soon as a physician will support the petition.
What Counts as a New or Additional Condition?
A genuine change in your physical condition, documented objectively. Common bases include:
- A previously stable condition that has measurably deteriorated
- A new diagnosis causally related to the original injury
- Hardware failure, non-union, or a complication from the original surgery
- A condition that existed but had not been identified when the claim closed
- A secondary condition arising from the accepted injury a compensating joint, for example
One limitation worth knowing: a claim shall not be reopened solely for additional diagnostic or investigative medical tests. The statute does provide, though, that expenses for reasonable and necessary diagnostic or investigative tests causally related to the injury are payable by the employer or carrier.
More Pain Alone Is Not Enough
This is where most petitions fail, and it is a medical problem rather than a legal one. A.R.S. § 23-1061(H) itself states that a claim shall not be reopened because of increased subjective pain unless that pain is accompanied by a change in objective physical findings. A report that only restates how you feel now, without identifying what has objectively changed since the claim closed, will not carry the petition.
That second point is the practical instruction. A supporting report should not simply describe how you feel now. It needs to compare your condition as it was when the claim closed against your condition today, identify what is objectively different, and state the causal relationship to the industrial injury.
A report that is outdated, or that neither relates the prior injury to the current condition nor describes a new condition, will not carry a petition. Telling your doctor exactly what the statute requires before they write it is the most useful thing you can do, and it is where lawyers for workers compensation claims add the most value early.
When a Claim Cannot Be Reopened
Two situations close the door.
A final denial. The statute provides that a claim shall not be reopened if the initial claim for compensation was previously denied by a notice of claim status or Commission determination, and that notice or determination was allowed to become final with no exception under A.R.S. § 23-947 excusing a late hearing request. Reopening is a route for accepted claims; a denied claim that went final is a different problem, covered in what to do when a work injury claim is denied.
A waived right to reopen. Some settlements include a waiver of the future right to reopen. If your claim is closed through a negotiated resolution, the agreement needs reading before anything else our settlement guide covers what those documents typically contain.
There is a limited safety valve. Under § 23-1061(L), on application and for good cause shown, the Commission may direct that a document filed as a claim for compensation be designated a petition to reopen, effective as of its original filing date and the reverse.
How the Process Actually Works
| Step | What happens |
| File the petition | Using the Industrial Commission’s Petition to Reopen form, available as an e-signed electronic submission or a printable form |
| Attach the physician’s statement | Required by statute. Filed without it, the ICA will solicit the documentation and hold the petition briefly pending receipt |
| Commission notifies the carrier | The carrier must notify the Commission and you of acceptance or denial within 21 days |
| If denied | The reopened claim is processed like a new claim meaning a Request for Hearing under A.R.S. § 23-947, within 90 days of the Notice of Claim Status |
| If accepted | Active benefits resume from the filing date forward |
That last row of the denial path matters. A denial of reopening is not final; it is the start of the hearing track before an Administrative Law Judge, with the same short response window as any other claim status notice.
What Does a Reopened Claim Get You?
Active benefits against medical treatment for the accepted condition, and wage benefits where the condition takes you off work or reduces what you can earn. A reopened claim is processed in like manner as a new claim, so the usual framework applies, including a fresh assessment of your condition when it becomes medically stationary again.
What it does not provide is pain and suffering. Workers’ compensation never has. Where someone other than your employer contributed to the original injury, a separate third-party claim covers the categories compensation ignored though if you are receiving benefits, A.R.S. § 23-1023 generally gives you one year to bring it before it is deemed assigned to the carrier. See how a third-party claim interacts with compensation.
Frequently Asked Questions
Can I reopen a closed workers comp claim in Arizona? Yes, if the claim was previously accepted. A.R.S. § 23-1061(H) allows an employee to petition the Industrial Commission to reopen on the basis of a new, additional or previously undiscovered temporary or permanent condition, accompanied by a statement from a physician setting out that condition and its relationship to the claim.
Is there a deadline to file a petition to reopen? The statute sets no fixed filing deadline, but waiting is costly. No monetary compensation is payable for any period before the date the petition is filed, so benefits run from the filing date forward rather than backdating to when your condition worsened.
Is increased pain enough to reopen a claim? Generally no. A.R.S. § 23-1061(H) specifically provides that a claim shall not be reopened because of increased subjective pain unless it’s accompanied by a change in objective physical findings. The supporting medical report needs to identify what has objectively changed, not just describe increased pain.
What if my original claim was denied rather than closed? Reopening is not available. The statute provides that a claim shall not be reopened where the initial claim was denied by a notice of claim status or Commission determination that was allowed to become final, unless an exception under A.R.S. § 23-947 excuses a late hearing request.
What happens after I file the petition to reopen? The Commission notifies the carrier, which must advise the Commission and you of acceptance or denial within 21 days. A reopened claim is then processed like a new claim. If the petition is denied, you generally have 90 days from the Notice of Claim Status to file a Request for Hearing under A.R.S. § 23-947.
Does reopening pay me for the time my claim was closed? No. Monetary compensation is not payable for any period before the filing date. Surgical benefits follow the same rule, with a narrow exception allowing up to seven days before filing where a bona fide medical emergency prevented an earlier petition.
Before You File
The petition itself is a short form. What determines the outcome is the physician’s statement attached to it whether it identifies something objectively new and compares your condition then against now.
Getting that right before filing is worth more than filing quickly with a weak report, though the compensation rule means the two have to be balanced. A Workers compensation lawyer can tell you whether what your doctor has written will carry the petition.
Harris Injury Law, PLLC 1136 E Campbell Ave, Phoenix, AZ 85014 (480) 800-4878
Jason A. Harris practices in both workers’ compensation and personal injury, so a reopened claim and any third-party claim are handled together rather than separately. Consultations with an Arizona workers compensation attorney are free. Request a consultation, meet our attorneys, or read our fuller Arizona workers’ compensation guide. Every case depends on its own facts; no outcome can be promised or predicted.
This article provides general information about Arizona law and is not legal advice. Reading it creates no attorney-client relationship. Arizona statutes and Industrial Commission procedures change. Consult a licensed Arizona attorney about your situation.
Reviewed by Jason A. Harris, Attorney, Harris Injury Law, PLLC.
