Personal Injury

Pre-Existing Conditions and Personal Injury Claims: How Nebraska Law Treats Them

Eric Chandler

Eric Chandler

Monday April 20, 2026

Expected Reading Time: 7 – 8 minutes

Index

  1. Understanding Pre-Existing Conditions in Injury Claims
  2. The “Eggshell Plaintiff” Rule in Nebraska
  3. Aggravation vs. New Injury: Why the Difference Matters
  4. How Insurance Companies Use Pre-Existing Conditions
  5. Medical Documentation and Causation
  6. Comparative Negligence and Pre-Existing Injuries
  7. Common Types of Pre-Existing Conditions in Nebraska Claims
  8. What You Should Do After an Accident if You Have Prior Injuries
  9. Settlement Considerations When Pre-Existing Conditions Are Involved
  10. Working With a Nebraska Personal Injury Attorney

 

A pre-existing condition refers to any injury, illness, or medical issue that existed before an accident occurred. In Nebraska personal injury cases, having a pre-existing condition does not automatically prevent someone from pursuing compensation. Instead, the focus is on whether the accident caused a new injury or worsened an existing one. We discussed the issue of how pre-existing injuries affect personal injury claims in a previous blog post, “Pre-Existing Conditions and The Eggshell Plaintiff”, however, in this post we go into further detail since pre-existing conditions comes up often.

The distinction between a completely new injury versus aggravation of a medical condition that already exited is critical because many accident victims already live with back pain, arthritis, joint problems, or prior injuries. Pretty much anyone over the age of 35 will have experienced some type of spinal pain or joint injury at some point in their life. Nebraska law recognizes that accidents can still cause harm even when someone was not in perfect health beforehand.

Examples of pre-existing conditions commonly involved in claims include:

  • Prior back or neck injuries
  • Degenerative disc disease or arthritis
  • Old fractures or joint injuries
  • Previous surgeries or chronic pain conditions

Understanding how these conditions are treated sets the foundation for how claims are evaluated.

Learn more about how personal injury claims are evaluated in Nebraska in our Guide to Personal Injury Claim FAQs.

 

The “Eggshell Plaintiff” Rule in Nebraska

Nebraska follows what is commonly known as the eggshell plaintiff rule. This legal principle means that an at-fault party is responsible for the harm they cause—even if the injured person was more vulnerable to injury than an average person.

In practical terms, this means a defendant cannot avoid responsibility simply because someone had a fragile condition or prior injury. If an accident aggravates a pre-existing condition, the at-fault party may still be liable for the resulting harm.

The relevant Nebraska jury instruction on pre-existing conditions is NJI 4.09 and states that the defendant is liable for any damages caused by the accident, and that “if you [the jury] cannot separate damages caused by the pre-existing condition from those caused by the accident, then the defendant is liable for all of those damages.”

Key takeaways from this principle include:

  • Injury susceptibility does not reduce the defendant’s responsibility
  • Compensation may include aggravation of prior conditions
  • The focus remains on causation, not prior health

This rule often becomes central in cases involving spinal injuries and soft-tissue damage.

Learn more about the Eggshell Plaintiff rule.

 

Aggravation vs. New Injury: Why the Difference Matters

One of the most important issues in pre-existing condition cases is whether the accident caused a new injury or aggravated an existing one. Nebraska law allows compensation for both—but how damages are calculated may differ.

Aggravation means the accident made a prior condition worse, increased symptoms, or accelerated the need for treatment. A new injury, on the other hand, is damage that did not exist before the accident.

Common distinctions include:

  • Increased pain or reduced mobility after the accident
  • New imaging findings compared to prior records
  • Need for additional treatment or surgery

Explore how insurance companies assess injury claims in How Insurance Companies Handle Personal Injury Claims.

 

How Insurance Companies Use Pre-Existing Conditions

Insurance companies frequently focus on pre-existing conditions as a way to reduce claim value or deny responsibility. Even when an accident clearly caused harm, insurers may argue that symptoms were inevitable or unrelated.

Common insurer tactics include:

  • Pointing to old medical records to dispute causation
  • Claiming symptoms existed “long before the crash”
  • Minimizing aggravation as temporary or insignificant
  • Requesting extensive prior medical history

Understanding these strategies helps injured individuals anticipate challenges. When a specific injury existed before the accident, it’s important to be able to show how the injury has worsened.

Learn more about insurer tactics in Is the Insurance Company Spying on Me After My Accident?

 

Medical Documentation and Causation

Medical records play a central role in pre-existing condition cases. Clear documentation helps distinguish prior symptoms from post-accident changes and supports causation.

Healthcare providers often document:

  • Baseline condition before the accident
  • Changes in pain, function, or diagnosis afterward
  • Treatment progression and response
  • Long-term impact of the aggravation

Consistent treatment and honest reporting strengthen credibility.

Learn more about post-accident treatment in Post-Accident Medical Care: What to Expect and How It Affects Your Case.

 

Comparative Negligence and Pre-Existing Injuries

Nebraska follows a modified comparative negligence rule. While pre-existing conditions do not equal fault, insurers sometimes try to blur the line between prior health and accident responsibility.

Comparative negligence issues may arise when:

  • The insurer argues symptoms would exist regardless of the crash
  • Fault is disputed in multi-vehicle accidents
  • Injury severity is questioned due to prior conditions

Clear evidence helps prevent improper blame shifting. An argument concerning a pre-existing condition is truly a causation argument; not a proper argument concerning liability for the accident itself.

Learn more about partial fault in Comparative Negligence: Can You Still Get Compensation if You Were Partially at Fault?

 

Common Types of Pre-Existing Conditions in Nebraska Claims

Some conditions appear more frequently in Nebraska injury claims due to the nature of car accidents and work-related injuries.

These often include:

  • Degenerative disc disease
  • Prior whiplash or neck strain
  • Shoulder or rotator cuff injuries
  • Knee and hip degeneration
  • Prior surgical sites

Even when these conditions existed before, accidents can significantly worsen them. Again, a large percentage of Nebraska residents have experienced neck pain or back pain at some point in their lives. Just because you have experienced back pain, does not mean you cannot sustain a back injury from a car accident.

Learn more about common injuries in Nebraska in 10 Most Common Motor Vehicle Accident Injuries in Nebraska.

 

What You Should Do After an Accident if You Have Prior Injuries

If you have a pre-existing condition, early and careful action matters. Delays or gaps in treatment may be used against you later.

Important steps include:

  • Seek medical care promptly after the accident
  • Disclose prior conditions honestly to providers
  • Describe new or worsened symptoms clearly
  • Follow treatment recommendations consistently

These steps help protect both health and claim integrity. It’s very important to express how your symptoms or pain changed following the accident.

Learn more in How to Be Prepared If a Car Accident Injury Shows Up Later.

 

Settlement Considerations When Pre-Existing Conditions Are Involved

Claims involving pre-existing conditions often require more detailed evaluation. Settlements may account for how much of the injury is attributable to aggravation versus prior health.

Key settlement factors include:

  • Extent of symptom worsening
  • Additional medical treatment required
  • Impact on daily activities and work
  • Long-term prognosis

Proper evaluation ensures the aggravation is not overlooked.

Learn more about claim valuation in How to Calculate the Value of Your Personal Injury Claim in Nebraska.

 

Working With a Nebraska Personal Injury Attorney

Pre-existing condition cases often involve complex medical and insurance issues that require careful coordination. A Nebraska personal injury attorney can help ensure that aggravation of prior injuries is properly documented and fairly evaluated. At Chandler|Conway, attorneys regularly assist injured individuals across Nebraska, including Omaha, with claims involving prior medical conditions.

Support typically includes:

  • Reviewing medical history and accident-related changes
  • Addressing insurer arguments about causation
  • Coordinating documentation and claim presentation

With experienced guidance, injured individuals gain clarity and confidence during a complicated process. Proper handling of pre-existing conditions can make a meaningful difference in both recovery and financial outcome.

Call us at (402) 933-6858 for a free consultation, and see why Chandler|Conway personal injury services are trusted across Omaha and throughout Nebraska.

Related Articles