Glossary

What is Underinsured Motorist Coverage?

Underinsured Motorist Coverage is an auto insurance policy add-on that pays for medical bills, lost wages. And pain-and-suffering damages when the at-fault driver’s liability limits are too low to cover the full cost of injuries. This coverage bridges the gap between the other driver’s policy limits and the injured party’s actual damages.

Reviewed by Ronnie MabraSources reviewed: Georgia Office of Insurance and Safety Fire Commissioner, Insurance Information Institute

Quick Facts About Underinsured Motorist Coverage

Category

Auto insurance coverage

Used for

Bodily injury expenses after a crash

Common confusion

Often mixed up with Uninsured Motorist Coverage

Also called

UIM Coverage, Underinsured Motorist Insurance

Often discussed with

Car Accident Lawyer, Hit-and-Run Accident Lawyer

Key Takeaways About Underinsured Motorist Coverage

Understanding Underinsured Motorist Coverage

Underinsured Motorist Coverage in Personal Injury Lawyer: Underinsured Motorist Coverage is an auto insurance policy add-o...

Underinsured Motorist Coverage (UIM) is a type of auto insurance that protects drivers and passengers when they're injured in a crash caused by another driver who doesn't have enough liability insurance to cover the full cost of the injuries. In Georgia, drivers are required to carry minimum liability coverage of ,000 per person and ,000 per accident for bodily injury. But medical bills, lost wages. And pain-and-suffering damages can quickly exceed these limits, especially in serious crashes. UIM coverage steps in to cover the difference between the at-fault driver’s policy limits and the injured party’s actual damages, up to the UIM policy’s limits.

Related glossary terms: Liability Insurance, Medical Payments Coverage, Personal Injury Protection.

UIM coverage is not automatic. Georgia law requires insurance companies to offer it to policyholders. But drivers can reject it in writing. Many drivers choose to carry UIM coverage because it provides an extra layer of financial protection without significantly increasing premiums. Unlike Uninsured Motorist Coverage, which applies when the at-fault driver has no insurance at all, UIM coverage applies when the at-fault driver has insurance but not enough to cover the damages. Both types of coverage are often bundled together in auto insurance policies.

How Underinsured Motorist Coverage Works?

When an injured driver files a UIM claim, the insurance company first reviews the at-fault driver’s liability coverage limits. If those limits are lower than the injured party’s damages, the UIM coverage is triggered. For example, if the at-fault driver has ,000 in liability coverage but the injured driver’s medical bills total ,000, the injured driver’s UIM policy with a ,000 limit would cover the ,000 difference. The UIM policy does not pay out until the at-fault driver’s liability limits are exhausted, which means the injured party must first pursue a claim against the at-fault driver’s insurance.

UIM coverage limits are set by the policyholder when purchasing the insurance. In Georgia, insurers typically offer UIM limits that match the policyholder’s bodily injury liability limits. For instance, if a driver carries 0,000 in bodily injury liability coverage, the UIM limits may also be set at 0,000. UIM coverage in Georgia does not apply to property damage, such as vehicle repairs. It only covers bodily injury expenses, including medical bills, lost wages. And pain-and-suffering damages. Policyholders should review their coverage limits regularly to ensure they are adequately protected.

Why Underinsured Motorist Coverage Matters?

How Underinsured Motorist Coverage applies to Personal Injury Lawyer services in Decatur, United States—practical illustra...

Underinsured Motorist Coverage is critical because many drivers carry only the minimum required liability insurance, which may not be enough to cover the costs of a serious crash. Medical bills for injuries like broken bones, spinal cord damage. Or traumatic brain injuries can easily exceed ,000, leaving injured parties with significant out-of-pocket expenses. Without UIM coverage, injured drivers may have to rely on their health insurance, which often leaves them with high deductibles and copays. Or pursue legal action against the at-fault driver personally, which can be time-consuming and may not result in full compensation.

UIM coverage also provides clear next steps for drivers who frequently commute or travel in areas with high traffic congestion, such as metro Atlanta. In busy urban areas, the risk of being involved in a crash with an underinsured driver is higher, making UIM coverage a valuable safeguard. And UIM coverage can protect passengers in the insured vehicle, as well as family members who may be covered under the policy. For families with young drivers or elderly relatives, UIM coverage can help ensure that everyone is financially protected in the event of a crash.

When Underinsured Motorist Coverage Matters Most?

Underinsured Motorist Coverage becomes especially important in crashes involving serious injuries or fatalities. For example, if a driver is rear-ended by an underinsured motorist and suffers a herniated disc requiring surgery, the medical bills alone could exceed ,000. Without UIM coverage, the injured driver would be responsible for paying the difference between the at-fault driver’s ,000 liability limit and the total medical costs. UIM coverage can also be critical in hit-and-run accidents where the at-fault driver is never identified, as it may provide coverage when no other insurance is available.

UIM coverage is also valuable for drivers who don't have health insurance or have high-deductible health plans. In these cases, UIM coverage can help cover medical expenses that would otherwise be unaffordable. And UIM coverage can provide compensation for lost wages if the injured party is unable to work due to their injuries. For self-employed individuals or those without paid sick leave, this coverage can be a financial lifeline during recovery. Finally, UIM coverage can help cover pain-and-suffering damages, which are not typically covered by health insurance or other types of auto insurance.

How to Evaluate Underinsured Motorist Coverage?

Related Concepts Compared

Underinsured Motorist Coverage vs. Uninsured Motorist Coverage

Uninsured Motorist Coverage applies when the at-fault driver has no insurance. While Underinsured Motorist Coverage applies when the at-fault driver’s insurance is insufficient to cover damages.

Underinsured Motorist Coverage vs. Medical Payments Coverage (MedPay)

MedPay covers medical expenses regardless of fault but has lower limits. While Underinsured Motorist Coverage applies only when the other driver is at fault and has limits that can be much higher.

Underinsured Motorist Coverage vs. Liability Insurance

Liability Insurance covers damages the policyholder causes to others. While Underinsured Motorist Coverage covers damages the policyholder suffers due to another driver’s insufficient insurance.

Expert Note

Underinsured Motorist Coverage is often overlooked until it’s needed. Many drivers assume their health insurance will cover crash-related injuries. But health policies often leave gaps that UIM coverage can fill, especially for lost wages and pain-and-suffering damages.

Common Mistakes or Myths About Underinsured Motorist Coverage

  • Assuming Underinsured Motorist Coverage is the same as Uninsured Motorist Coverage.
  • Believing UIM coverage is required in Georgia—it is optional and can be rejected in writing.
  • Thinking UIM coverage applies to property damage—it only covers bodily injury in Georgia.
  • Not reviewing UIM limits regularly, leaving gaps in coverage as medical costs rise.
  • Assuming health insurance will cover all crash-related expenses, ignoring lost wages and pain-and-suffering damages.

Underinsured Motorist Coverage in Practice: A Real-World Example

A Decatur driver is rear-ended by a distracted driver and suffers a broken leg requiring surgery. The at-fault driver’s insurance covers only ,000 of the ,000 in medical bills. The injured driver’s Underinsured Motorist Coverage, with a ,000 limit, pays the remaining ,000, ensuring the driver does not face financial hardship.

Sources & Further Reading on Underinsured Motorist Coverage

  • Georgia Office of Insurance and Safety Fire Commissioner
  • Insurance Information Institute
  • Georgia Code § 33-7-11

Related Services

Related Terms

Liability Insurance

Liability Insurance is a type of coverage that protects policyholders from financial losses if they're found legally responsible for causing injury to another person or damaging someone else’s property. It typically covers medical expenses, legal fees. And repair costs up to the policy’s limits. But doesn't pay for the policyholder’s own injuries or damages.

Medical Payments Coverage

Medical Payments Coverage is an optional auto insurance benefit that pays for reasonable medical expenses incurred by the policyholder, their passengers. Or family members after a car accident, regardless of who caused the crash. These payments typically cover hospital visits, doctor bills, X-rays. And funeral costs up to the policy’s limit, usually within one to three years of the accident.

Personal Injury Protection

Personal Injury Protection is a type of auto insurance coverage that pays for medical expenses, lost wages. And other related costs for the policyholder and passengers after a car accident, regardless of who caused the crash. It's often called 'no-fault' coverage because benefits are paid without determining fault. And it is required in some states, including Georgia.

Tort Law

Tort Law is a branch of civil law that allows individuals to seek compensation when they suffer harm or loss due to another party’s wrongful actions or negligence. It covers injuries, property damage. And other losses caused by accidents, intentional acts. Or failures to act responsibly. The goal is to restore the injured party to their pre-harm condition, often through financial damages.

Atlanta Auto Law

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