What Is UM/UIM Insurance Arbitration in Texas?

You were rear-ended on I-35 heading toward Round Rock, and the at-fault driver had no insurance or far too little to cover your bills. You filed a claim with your own carrier under your UM or UIM coverage, expecting them to step in. 

Now they’re dragging their feet or offering a number that doesn’t come close to what you actually lost. But there’s a tool built into your policy that can break the stalemate.

What Insurance Arbitration Is in Texas

Insurance arbitration is a formal dispute resolution process written into most Texas auto policies. It lets you bring an uninsured motorist (UM) or under-insured motorist (UIM) disagreement before a neutral arbitrator instead of filing a full lawsuit. Unlike mediation, the arbitrator’s decision is binding. Once the award is issued, your insurer must honor it.

The arbitration clause in your auto policy is a written contract right. You can exercise it when negotiations stall or your insurer undervalues your claim. Texas UM and UIM coverage is governed by Texas Insurance Code § 1952.101–110, which sets the requirements for what insurers must offer and how they calculate recovery.

When UM & UIM Arbitration Applies to Your Claim

Arbitration becomes relevant when the at-fault driver had no insurance or not enough to cover your damages, and your own insurer disputes the value of your claim. Most Texas auto policies include a mandatory arbitration clause for UM and UIM disputes. Typically, you activate this clause with a written demand if negotiations break down after being hit by an uninsured driver.

Texas Insurance Code § 1952.106 defines the recovery amount available under UIM coverage, including the offset rule. The offset is often where insurers push back hardest. Understanding how it’s calculated clarifies what’s actually at stake in your hearing.

There are some differences between UM and UIM claims, but both route through the same arbitration framework. The triggering event differs, but the process is substantially the same. You also don’t need to sue the at-fault driver first. Your right to demand arbitration runs directly from the policy contract with your own insurer.

How UIM Arbitration Works in Texas

Texas UIM arbitration follows a predictable four-step path: written demand, arbitrator selection, evidence submission, and binding award. The process is governed by your policy language and backed by state law that makes the agreement enforceable. Most cases move from demand to award in months, not years.

Step 1: Written Demand. You submit a written arbitration demand to your insurer. It cites the policy’s arbitration clause and states the disputed amount.

Step 2: Arbitrator Selection. Selection follows the policy. Common formats include each side choosing one arbitrator plus a neutral third, or a single agreed-upon neutral arbitrator. An arbitrator’s background can shape outcomes.

Step 3: Evidence Submission. Both sides submit medical records, wage loss documentation, accident reports, and expert opinions. The arbitrator reviews everything and may hold a hearing where each side presents its case.

Step 4: Binding Award. The arbitrator issues a written award. Your insurer is obligated to pay it, subject to any offset under § 1952.106.

The enforceability of the arbitration agreement itself comes from the Texas Civil Practice and Remedies Code (CPRC) § 171.001. That chapter also governs how you can confirm or challenge a final award in court. Because hearings are less formal than trials and timelines are tighter, arbitration is often the faster path to recovery once direct talks have failed. Understanding how PIP, MedPay, and UM/UIM coverage stack helps you find all possible sources of compensation.

Arbitration vs. Litigation for Texas UM & UIM Claims

Arbitration and litigation are not the same tool. The procedural rules, timelines, costs, and strategic options diverge in ways that directly affect your decision. Choosing one over the other should be a deliberate call based on the size and complexity of your claim, not a default.

Arbitration

Arbitration starts with a written demand under your policy’s clause. No lawsuit, no court docket, so timelines are faster compared to civil litigation.

The arbitrator’s award is binding and enforceable. Your insurer cannot simply reject it, though narrow grounds for challenge exist under CPRC § 171. Costs and formality are lower. There is no jury, no extended discovery, and no traditional court filing fees. Demanding arbitration also creates pressure on the insurer to engage seriously instead of stalling.

Litigation

Litigation means filing a lawsuit against your insurer in Texas civil court for car accident claims. It opens up the full discovery process, depositions, and a jury trial if necessary.

Timelines are longer, and costs are higher. For large or complex claims, the extra tools can be worth it. Litigation may also let you pursue a bad faith claim against an insurer that mishandled your case, which is generally not available in arbitration. If you’re unhappy with an arbitration award, your ability to move to court is limited, and it’s important to understand that trade-off before you choose. 

Get Legal Help for Your Texas UM/UIM Dispute

A UM or UIM dispute shouldn’t drag on while your medical bills pile up and your wages stay lost. Angel Reyes & Associates has handled Texas UM and UIM disputes and knows how to push insurers that refuse to acknowledge a fair claim. We work on contingency, meaning no fee unless we win, and offer free consultations in English or Spanish so you can get answers before committing to anything.

Our team of attorneys has recovered more than $1 billion for our clients. Contact us today to talk through your claim and decide whether arbitration is the right move for you.

Past results do not guarantee future outcomes.