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What Happens When the Insurance Company Says Your Injury Was Pre-Existing?

Medical records and a stethoscope representing an insurance company's review of a pre-existing injury claim.

If the insurance company says your injury was pre-existing, you may still have a valid injury claim. Many Michigan accident victims have prior medical conditions, previous injuries, or degenerative changes. The key issue is often whether the accident caused a new injury, worsened an existing condition, or aggravated symptoms that were previously manageable.


After an accident, many injured people are surprised to hear an insurance company argue:

“Your injury existed before the accident.”

This is one of the most common arguments insurers use when evaluating injury claims.

In some situations, a person may have a prior injury, old medical records, arthritis, a previous surgery, or a longstanding health condition. The insurance company may then argue that the accident did not cause the injury or that the crash played only a minor role in a person’s current symptoms.

Hearing this can be frustrating, especially when the pain, limitations, and treatment needs increased significantly after the accident.

The good news is that having a pre-existing condition does not automatically prevent someone from pursuing compensation after a Michigan accident.

Why Insurance Companies Raise Pre-Existing Injury Arguments

Insurance companies investigate injury claims by reviewing medical records, treatment history, and prior health conditions.

If they discover a prior injury involving the same body part, they may argue:

  • The injury existed before the accident.
  • The symptoms were already present.
  • The treatment was unrelated to the crash.
  • The current limitations are the result of a prior condition.
  • The accident caused little or no additional harm.

In some cases, these arguments are reasonable subjects for investigation. In others, the insurer may be overlooking how significantly the accident changed a person’s condition.

A Pre-Existing Condition Does Not Automatically Defeat a Claim

Many people assume:

“I had a prior injury, so I don’t have a case.”

That is not necessarily true.

People who have prior medical conditions are still entitled to drive, work, and live their lives without others negligently causing additional harm. The important question is often not whether the condition existed before the accident.

Instead, the question becomes:

What effect did the accident have on that condition?

If the crash worsened symptoms, accelerated problems, created additional limitations, or caused new injuries, compensation may still be available.

Related Reading: Can You Recover Compensation With a Pre-Existing Injury in Michigan?

The Insurance Company May Focus on Medical Records

One of the first places insurers look is your medical history.

They may compare:

  • Prior medical records
  • Current medical records
  • Previous complaints
  • Current symptoms
  • Diagnostic imaging
  • Treatment history

This comparison often becomes a central issue in the claim.

For example, if a person previously received treatment for neck pain and later suffers a neck injury in a collision, the insurer may argue the current complaints are not accident-related.

However, the existence of a prior condition does not necessarily answer what the accident actually changed.

Aggravation of an Existing Condition Is Common

Some accident victims are completely healthy before a crash.

Others already have medical conditions.

Many claims involve situations where an accident aggravated, worsened, or accelerated an existing problem.

Common examples include:

  • Back injuries
  • Neck injuries
  • Herniated discs
  • Arthritis
  • Joint conditions
  • Prior fractures
  • Degenerative conditions

In these cases, the medical question is often whether the accident caused a meaningful change in the person’s condition.

Medical Documentation Becomes Extremely Important

When an insurer argues a condition was pre-existing, documentation becomes critical.

Helpful evidence may include:

  • Medical records
  • Physician evaluations
  • Treatment recommendations
  • Diagnostic imaging
  • Physical therapy records
  • Work restrictions
  • Specialist opinions

The goal is to establish what changed after the accident.

Medical records that clearly describe new symptoms, increased pain, reduced mobility, or additional treatment needs can be particularly important.

Insurance Companies Often Look for Gaps in Treatment

Insurance adjusters frequently examine whether treatment occurred consistently.

If there are long gaps between:

  • The accident
  • Initial treatment
  • Follow-up care

the insurer may try to argue that the condition was not serious or was unrelated to the crash.

That does not automatically mean the argument is correct.

However, gaps in treatment can create questions that insurers may attempt to use during settlement negotiations.

Related Reading: What If the Insurance Company Refuses to Make a Settlement Offer?

Diagnostic Imaging Can Become a Battleground

MRI results, CT scans, and other imaging studies often become central to pre-existing injury disputes.

Insurance companies may point to findings such as:

  • Degenerative changes
  • Arthritis
  • Prior injuries
  • Chronic conditions

Meanwhile, treating physicians may evaluate whether the accident:

  • Worsened symptoms
  • Accelerated degeneration
  • Caused new structural damage
  • Increased functional limitations

Because imaging results often require medical interpretation, physician opinions frequently play an important role.

Serious Injuries Often Lead to More Investigation

Insurance companies tend to scrutinize larger claims more closely.

When a crash results in:

  • Surgery
  • Permanent impairment
  • Significant wage loss
  • Long-term disability
  • Extensive rehabilitation

the insurer may spend more time reviewing prior medical history.

This is especially common in catastrophic injury cases.

Related Reading: What Is Considered a Catastrophic Injury in Michigan?

The Difference Between Prior Symptoms and New Symptoms

One issue that arises frequently is whether symptoms changed after the accident.

For example:

Before the Accident

  • Occasional back pain
  • No work restrictions
  • Limited treatment
  • Independent daily activities

After the Accident

  • Constant pain
  • Surgery recommendations
  • Work limitations
  • Ongoing treatment
  • Major lifestyle changes

Although the person had a prior condition, the impact of the accident may be very different from what existed beforehand.

This is why insurers often review both pre-accident and post-accident medical records.

Evidence Beyond Medical Records Can Help

Medical records are important, but they are not the only evidence.

Other helpful information may include:

  • Employment records
  • Attendance records
  • Prior activity levels
  • Testimony from family members
  • Testimony from coworkers
  • Photographs
  • Documentation of daily activities

Evidence showing how a person’s life changed after the accident may help provide important context.

Why Insurance Companies Make These Arguments

Insurance companies have a responsibility to investigate claims.

However, from a practical standpoint, disputes involving pre-existing conditions can also reduce potential claim values if the insurer successfully argues that the accident caused little additional harm.

As a result, these issues often become a major focus during settlement negotiations.

Strong documentation usually provides the best response.

What If the Insurance Company Continues to Dispute the Injury?

Sometimes the dispute cannot be resolved through medical records alone.

Additional evidence may become necessary, such as:

  • Specialist evaluations
  • Expert opinions
  • Additional testing
  • Depositions
  • Litigation

Not every disagreement requires a lawsuit, but some claims do not move forward until additional evidence is developed.

Related Reading: What Happens After a Michigan Car Accident Lawsuit Is Filed?

Why Early Legal Guidance Can Be Helpful

Pre-existing injury disputes often become complicated because they involve both medical and legal issues.

Understanding what records matter, what evidence may help, and how insurers typically evaluate these claims can make a meaningful difference.

People dealing with these issues in Mid-Michigan can learn more about working with a Lansing Personal Injury Lawyer, while those in West Michigan may benefit from speaking with a Grand Rapids Personal Injury Lawyer about the evidence needed to support a claim involving a pre-existing condition.


Frequently Asked Questions

Q. Can I recover compensation if I had a pre-existing injury?
A. Yes. A prior injury or medical condition does not automatically prevent you from pursuing compensation after an accident.

Q. What if I already had back pain before the crash?
A. You may still have a valid claim if the accident worsened the condition, increased symptoms, or created new limitations.

Q. Why does the insurance company want my old medical records?
A. Insurers often review prior records to determine whether symptoms existed before the accident and whether the crash changed your condition.

Q. How can I strengthen my claim?
A. Consistent medical treatment, strong documentation, physician opinions, and evidence showing how your condition changed after the accident may all help support your claim.


Speak With a Michigan Personal Injury Lawyer

A pre-existing condition does not automatically mean you are ineligible to pursue compensation after an accident. Many injury claims involve disputes over prior injuries, degenerative conditions, and whether an accident aggravated an existing problem.

Understanding the medical evidence, treatment history, and documentation that may support your claim can help you make informed decisions moving forward.

If you have questions about a personal injury claim involving a pre-existing condition, submit a free consultation request through our contact page to discuss your situation with a member of our team.