Common Reasons Insurance Companies Deny or Delay Claims

Last updated: July 2026

A denial or a long delay doesn't automatically mean your claim lacks merit — but it usually means the insurer has found (or is looking for) a specific hook to justify paying less or nothing. Knowing the common ones can help you avoid handing them an easy one.

Disputed Liability

If fault isn't clearly established — no police report, conflicting witness accounts, or a comparative negligence argument that you shared blame — insurers frequently deny or heavily discount a claim on liability grounds alone, regardless of how legitimate the injury is. This is one of the strongest arguments for gathering scene evidence immediately, as covered in our post-accident checklist.

Gaps in Medical Treatment

A delay between the incident and your first medical visit, or unexplained gaps in ongoing treatment, gives an insurer a straightforward argument: if the injury were really that serious, why did treatment stop or start late? This is often used to argue the injury wasn't caused by the incident, or wasn't as severe as claimed, even when the real explanation is something mundane like work obligations or difficulty scheduling appointments.

Pre-Existing Conditions

If you had a prior injury or condition affecting the same body part, insurers commonly argue your current symptoms are a continuation of that pre-existing issue rather than something newly caused by the incident. This doesn't automatically defeat a claim — you may still recover for an aggravation of a pre-existing condition — but it typically requires clearer medical documentation distinguishing your baseline condition from the new injury.

Missed Filing Deadlines

As detailed in our statute of limitations guide, missing a filing deadline — including the much shorter notice deadlines that apply to claims against government entities — is one of the few denial reasons that's typically final and unappealable, regardless of how strong the underlying claim was.

Inconsistent Statements

Discrepancies between what you told police at the scene, what you told your doctor, and what you later stated in a claim can be used to challenge your credibility, even when the inconsistency is a minor, understandable memory detail rather than any real dishonesty. This is part of why giving a recorded statement to the other party's insurer without preparation carries real risk.

Social Media Evidence

As covered in our guide on how adjusters evaluate claims, public social media activity showing physical activity during a period of claimed disability is a common — and often decisive — basis for disputing a claim's severity.

Policy Exclusions and Coverage Limits

Sometimes a denial isn't about your injury at all — it's about coverage. The at-fault party's policy may exclude the specific circumstances of the incident, may have lapsed, or may simply have limits too low to cover your full claim, requiring your own underinsured motorist coverage or another avenue entirely.

What to Do If Your Claim Is Denied

Request the specific written reason for the denial rather than accepting a vague explanation. Gather documentation directly addressing that stated reason. Consider a formal appeal or reconsideration request in writing. If you believe the denial was made in bad faith — ignoring clear evidence, misrepresenting policy terms — your state's insurance regulator typically accepts complaints, and a consultation with a personal injury attorney can clarify whether litigation is a realistic next step.

Frequently Asked Questions

Try It Yourself