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Missing work after a crash costs you twice: the paycheck you didn’t earn, and the bills that keep coming. If you’re wondering how a lost wages car accident claim in Arizona actually works, this guide covers what counts, how to prove it based on how you get paid, and the specific things adjusters use to knock the number down. For a broader look at how the pieces fit together, see our Arizona accident claims resource hub.
Lost wages are the income you would have earned but didn’t, because a crash-related injury kept you from working. That includes:
If the money would have hit your account absent the crash, it belongs in the lost-wage calculation. The trick is documenting it.
Arizona splits personal-injury damages into two buckets: economic and non-economic. Lost wages fall into the economic bucket because they’re a quantifiable dollar loss you can back up with records. Pain and suffering, emotional distress, and loss of enjoyment fall on the non-economic side.
For a deeper breakdown of that split, our page on economic damages walks through the categories. What matters here: because lost wages are economic, the standard of proof is math and paperwork, not testimony about how you felt. An adjuster or a jury wants to see numbers tied to source documents.
If you get a paycheck with taxes withheld, this is the cleanest scenario. You typically need four things:
This is the single most useful document in a W-2 lost-wage claim. A standard letter on company letterhead states:
Adjusters trust this letter because it’s harder to fake than a pay stub and it’s signed by someone with legal exposure if it’s wrong. If your employer’s HR department has never done one, we can send them a template.
A common adjuster move: “Your paycheck kept coming, so there’s no loss.” That’s wrong. PTO and sick leave are earned benefits with real dollar value. If you burned two weeks of PTO to recover, you lost two weeks of a paid benefit you could have used for vacation, a sick kid, or a future emergency. That’s recoverable in Arizona.
Self-employed claims are where most lost-wage recoveries get shortchanged, because the paper trail is scattered across tax filings, invoicing software, and bank deposits. The core documents are:
The measure is usually your net profit, not gross receipts, because net profit is what actually would have hit your pocket. If your business has heavy overhead that continued running while you were out (rent, insurance, a leased vehicle), we account for that too, because those fixed costs kept draining your account even when nothing was coming in.
Irregular income is the hardest category because there’s no flat weekly number. Adjusters exploit that. Here’s how to build the record anyway:
Nothing about irregular income makes the loss less real. It just means the proof has to be assembled deliberately.
Here’s the piece most people underestimate. Every day of missed work has to tie back to a physician’s written note or work restriction. If you missed three weeks but your medical records only document a two-week off-work order, expect the adjuster to pay for two weeks and dispute the third.
What we look for in the medical file:
If you’re doing physical therapy and your therapist notes you can’t perform work-specific tasks, that helps. If your primary care physician verbally told you to stay home but never wrote it down, that hurts. Get it in writing every time, and ask that job-specific restrictions be spelled out.
This is also where future treatment matters. If your doctor projects additional surgery or extended therapy that will pull you out of work again, that becomes part of the picture. Our overview of future medical costs explains how future treatment gets projected.
These sound similar and they’re not. Lost wages are the paychecks you already missed. Lost earning capacity is the permanent hit to your ability to earn going forward: you can’t return to your prior job at all, or you can only work reduced hours, or you have to shift to a lower-paying field because of physical limits.
Lost earning capacity is a separate damages category. It usually requires expert testimony from:
You don’t need experts for garden-variety missed-work claims. You do need them when the injury changes your work life permanently. If you were a framer who now can’t climb a ladder, or a nurse who now can’t lift patients, this category can dwarf the missed-paycheck number.
Arizona uses pure comparative fault under A.R.S. § 12-2505. Your recovery, including lost wages, gets reduced by your percentage of fault in the crash.
The math is straightforward:
Total lost wages × (100% − your fault %) = recoverable lost wages
If you had $18,000 in documented lost wages and a jury or adjuster assigns you 20% of the fault, your lost-wage recovery drops to $14,400. Fault gets assigned based on the facts: who ran the light, who was speeding, who failed to yield, who was distracted. It applies to every component of your claim, not just lost wages.
For a fuller walkthrough, see our page on Arizona’s comparative fault rule. The practical takeaway: fault percentages are negotiated the same way liability is, and reducing the fault assigned to you is often the highest-leverage move in a case with real lost-income exposure.
Lost-wage claims aren’t filed separately. They’re part of your underlying personal-injury lawsuit. That means they run on the same clock as the injury claim itself.
Under A.R.S. § 12-542, you have two years from the date of the crash to file a personal-injury lawsuit in Arizona. Miss the deadline and the entire claim, wages included, is barred. There are narrow exceptions (minors, incapacity, delayed discovery of injury) but you can’t count on them.
If the insurer disputes your lost-wage documentation and negotiation stalls, the case moves into the Arizona civil litigation process: filing a complaint, initial disclosures, discovery, and eventually trial. The Arizona Judicial Branch overview has a plain-English walkthrough. Filing preserves the claim and gives you access to discovery tools (subpoenas for the other driver’s phone records, depositions of the adjuster, employer records requests) that you don’t have during pre-suit negotiation. For more on the deadline, see our page on Arizona’s personal injury statute of limitations.
Adjusters aren’t hunting for reasons to pay. They’re auditing your file for reasons not to. The recurring patterns:
The fix for most of these is upfront: complete documentation, clear medical restrictions, an employer letter that actually says what it needs to say, and a client who doesn’t post their recovery on Instagram.
Yes. PTO and sick leave are earned benefits with dollar value. You lost the ability to use those hours later. Arizona treats that as a recoverable economic loss.
You work with what exists: tax returns, bank deposits, invoicing records, platform earnings reports, canceled contract emails. Reconstruction is harder than showing a pay stub, but it’s routine. The earlier we get involved, the more of the record we can preserve before it disappears.
No law requires it, but most HR departments will provide one on request. If yours refuses, we can subpoena payroll and attendance records once litigation is filed. A cooperative letter is faster and cheaper, but the records exist either way.
Document it in writing. Get the email, text, or contract showing the work was offered and turned down or canceled. Tie the reason to your medical restriction. Specific lost opportunities are recoverable when the connection is clear.
Under A.R.S. § 12-2505, your recovery is reduced by your percentage of fault. If you’re 25% at fault and lost $10,000 in wages, you’d recover $7,500. Fault is negotiated based on the crash facts and often the biggest lever in the case.
Two years from the date of the crash under A.R.S. § 12-542. Lost wages are part of the personal-injury lawsuit, so they run on the same clock as the underlying injury claim.
If you’ve missed work after a Phoenix-area crash and the adjuster is asking for wage documentation, get a second set of eyes on the file before you send it. What you submit sets the ceiling for what you can recover. We look at the medical restrictions, the employer records, and the income history together so nothing gets left on the table.
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By Jared J. Pehrson | Impact Legal Car Accident Attorneys