Understanding the Difference Between Uninsured and Underinsured Motorist Claims
Car accidents are stressful enough, but when the at-fault driver lacks adequate insurance, the aftermath becomes even more complicated. That’s where Uninsured Motorist (UM) and Underinsured Motorist (UIM) coverage come in. Understanding the distinction between these two types of claims is essential for protecting yourself and ensuring you receive fair compensation after an accident.
In this post, we’ll break down what UM and UIM coverage are, how they differ, and why both are critical components of your auto insurance policy.
What Is Uninsured Motorist (UM) Coverage?
Uninsured Motorist coverage is designed to protect you when the at-fault driver has no insurance at all. Despite legal requirements, a surprising number of drivers operate vehicles without valid liability insurance. If you’re hit by one of them, you may be left with unpaid medical bills, vehicle repairs, and lost wages—unless you have UM coverage.
When Does UM Apply?
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You’re hit by a completely uninsured driver
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You’re injured in a hit-and-run accident
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You’re a pedestrian or cyclist struck by an uninsured vehicle
UM coverage can pay for:
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Medical expenses
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Lost income
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Pain and suffering
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Funeral expenses in fatal accidents
What Is Underinsured Motorist (UIM) Coverage?
Underinsured Motorist coverage steps in when the at-fault driver has insurance, but not enough to cover your total damages. In this case, their policy may only pay up to its liability limits—leaving you responsible for the rest. That’s when your UIM coverage kicks in.
When Does UIM Apply?
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The at-fault driver’s insurance payout does not cover all your losses
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You have significant medical bills or long-term injuries
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Your damages exceed the limits of the driver’s liability coverage
UIM helps cover the gap between what the other driver’s insurance pays and your actual losses, up to your policy’s limits.
Key Differences Between UM and UIM Claims
| Feature | Uninsured Motorist (UM) | Underinsured Motorist (UIM) |
|---|---|---|
| Who It Covers Against | Drivers with no insurance | Drivers with insufficient insurance |
| Common Scenarios | Hit-and-run, uninsured at-fault driver | Low-limit policyholders |
| Compensation Source | Your own insurer | Your own insurer |
| Claims Process | File against your UM policy | File after exhausting the at-fault driver’s coverage |
Why You Need Both UM and UIM Coverage
Many people assume that basic liability coverage is enough. However, UM and UIM coverage are your safety net when others break the rules, or simply don’t have enough coverage to make you whole.
Without these protections, you could be left paying out of pocket even if the accident wasn’t your fault. Medical costs and lost wages can quickly add up, especially after a serious collision.
Pro Tip: Always review your policy limits and consider increasing them to match the real-world cost of a serious injury.
What to Do After an Accident with an Uninsured or Underinsured Driver
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Call 911 and report the accident
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Exchange information and take photos, even if the other driver is uninsured
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Seek medical attention immediately
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Contact your insurance provider to start the UM/UIM claim process
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Consult a personal injury attorney to ensure your rights are protected
Why You Should Hire an Uninsured/ Underinsured Motorist Attorney After an Accident
Accidents happen every day, and unfortunately, not all drivers are insured. If you’re involved in an accident with an uninsured or underinsured driver, you may be left wondering what to do next. An experienced uninsured/ underinsured motorist attorney can help you navigate the legal process and recover the compensation you deserve. Here are 5 reasons why you should hire an uninsured/ underinsured motorist attorney after an accident:
- We can help you understand your rights.
- We have a thorough understanding of the law.
- We can help you obtain the maximum amount of compensation possible.
- We work on a contingency basis, so you only pay if you recover damages.
- We can help ease the stress of dealing with an uninsured driver.
If you’ve been involved in an accident with an uninsured or underinsured driver, contact The Wright Law Firm today to schedule a consultation so we can discuss your case.



