Arizona hospital and health care provider liens: how they affect your injury settlement

If you were treated after an Arizona crash and didn't pay the bill upfront, your hospital or another health care provider can place a lien against your injury settlement to get paid back — but Arizona law limits how much of your recovery a lien can actually reach. Under A.R.S. § 33-931, at least one-third of any third-party settlement, judgment, or award is exempt from liens altogether, and hospitals are paid ahead of other providers when there isn't enough money to go around.

What a provider lien actually is

A health care provider lien isn't the same thing as a medical bill. It's a legal claim your hospital, ambulance service, or another licensed provider files against money you eventually recover from the person or insurer responsible for your crash. Instead of billing you directly and waiting for payment, the provider agrees to treat you and then collects later, out of your settlement or verdict, once your claim resolves.

Arizona law (A.R.S. § 33-931) allows hospitals, political-subdivision ambulance services, and other licensed health care providers to assert these liens for the cost of treatment or transportation connected to the injury. The lien attaches to "all claims of liability or indemnity" arising from the injury — in practice, that means your settlement with the at-fault driver's insurer, or any judgment you win in court.

What a lien can't touch

Not every source of money is fair game. The statute specifically excludes health insurance proceeds, medical payments (MedPay) coverage, and uninsured/underinsured motorist (UM/UIM) coverage from lien claims. Liens attach to third-party liability recoveries — money from the at-fault party — not to coverage you or your own insurer already paid toward your care.

Hospitals get paid first

When more than one provider has a valid lien on the same settlement — say, a hospital, an ambulance company, and a physical therapy clinic all treated you — Arizona law gives hospital liens priority over the others. If the settlement isn't large enough to satisfy every lien in full, the hospital's lien is paid first, and other providers' liens are subordinated behind it.

The one-third protection, and the $250 threshold

Two limits protect injured people from having an entire settlement absorbed by medical liens. First, one-third of any third-party judgment, settlement, or award is exempt from any lien or assignment under this section — that share is yours regardless of how much you owe. Second, for providers other than hospitals and political-subdivision ambulance services, liens are restricted to customary charges in excess of $250, excluding interest and service charges — a smaller carve-out, but one that limits how much a single office visit can add to the lien total.

How liens get resolved

Liens aren't necessarily paid at face value. Arizona law sets out criteria for compromising (negotiating down) a valid lien under A.R.S. § 33-937, and liens are enforceable through a specific cause of action under A.R.S. § 33-934 if a provider isn't paid after a settlement closes. In-network providers with a health insurance contract generally need express contractual authorization to enforce a lien, unless a statutory exception applies — another reason lien resolution often involves back-and-forth between providers, insurers, and the injured person's attorney rather than a single fixed bill.

Why this matters while you're still being treated

Liens are calculated against whatever bills accumulate during your care, so the record-keeping habits that matter for your claim generally — tracking every provider, every bill, and every date of service — directly affect how liens get sorted out later. We've covered the practical side of that process in How to Organize Your Medical Records and Bills After an Arizona Crash, and in Treatment Gaps After a Crash, which looks at how gaps in care can complicate both recovery and the paper trail liens depend on.

This page explains how Arizona's lien statute works in general; it isn't legal advice, and lien amounts, priority disputes, and compromise negotiations are fact-specific. A hospital or provider's billing office, or an attorney handling your claim, can tell you what liens have actually been filed against your specific settlement.

Sources

• Arizona Revised Statutes § 33-931, Lien of health care provider on damages recovered by injured person receiving services; hospital priority; enforcement: https://www.azleg.gov/ars/33/00931.htm