HomeBlogBlogAegon Insurance Claim Denied? Your Complete Appeal Guide
October 2, 2025
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ClaimBack Editorial Team
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Aegon Insurance Claim Denied? Your Complete Appeal Guide

If Aegon has denied your insurance claim, this guide explains the most common denial reasons, how the appeal process works in the UK, US, and Netherlands, and how to escalate.

Aegon is a multinational life insurance, pension, and asset management company headquartered in The Hague, Netherlands, operating in more than 20 countries and managing assets for tens of millions of customers worldwide. Its primary markets include the United States — where Aegon operates through Transamerica — the United Kingdom, the Netherlands, and markets across Central and Eastern Europe and Asia. Core products include life insurance, term assurance, annuities, pension plans, critical illness cover, and income protection insurance. If Aegon or Transamerica has denied your claim, you have structured legal rights across each jurisdiction to challenge the decision.

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Why Insurers Deny Aegon Claims

Non-Disclosure of Health Information

Non-disclosure is the single most common reason Aegon denies life and critical illness claims. At application, you are asked to disclose your full medical history. If Aegon's underwriting review at claim stage reveals a condition not mentioned, they may deny on grounds of material non-disclosure. However, non-disclosure must be material — meaning it would have affected Aegon's decision to issue the policy or set the premium. In the UK, the Consumer Insurance (Disclosure and Representations) Act 2012 limits an insurer's remedy to proportionate remedies based on what they would have done had they known the information. If the undisclosed condition was unrelated to the cause of death or claimed illness, non-disclosure is unlikely to be material.

Critical Illness Definition Disputes

Aegon's critical illness products pay out on diagnosis of specified conditions, but policy definitions are often narrower than clinical medical definitions. A cancer diagnosis may not qualify if classified as early-stage or non-invasive. A heart attack may not qualify if specific biomarker thresholds were not reached. These definitional gaps generate frequent disputes, particularly where specialist medical opinion supports that the clinical condition meets the policy's intent.

Income Protection Disputes

Income protection denials arise when Aegon disputes whether the claimant meets the incapacity definition. Policies use either "own occupation" or "any occupation" tests. Aegon may commission independent medical examinations or conduct surveillance to challenge incapacity claims.

Policy Lapse Due to Non-Payment

If premiums were not paid and the policy lapsed before the insured event, Aegon will deny the claim. Check whether lapse notices were actually received, whether payments failed due to banking errors, or whether a grace period applies before the lapse was effective.

Suicide and Self-Harm Exclusions

Life policies typically exclude suicide within 12 to 24 months of policy commencement. Claims within this window are routinely denied. Beneficiaries may challenge the determination of cause of death through independent medical or coroner evidence.

How to Appeal an Aegon Denial

Step 1: Obtain the Written Denial and Full Claim File

Request all documents Aegon relied upon in the decision — internal assessor notes, medical reviews, and any surveillance records. Under the UK's Data Protection Act 2018 / GDPR and US state privacy laws, you are entitled to all personal information the insurer holds about your claim. Review these for factual errors or inconsistencies with your medical records.

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Step 2: Obtain Independent Medical Evidence

For critical illness and income protection claims, an independent specialist report directly addressing the insurer's denial reason is your most powerful tool. The report should specifically address whether your condition meets the policy's definition — not just the clinical diagnosis.

Step 3: File the Formal Internal Appeal

Address each denial reason with specific counter-arguments. Cite the relevant policy language, clinical evidence, and legal rights under applicable law. In the UK, invoke the Consumer Insurance (Disclosure and Representations) Act 2012 for non-disclosure disputes. For Transamerica in the US, cite ERISA §1133 for employer-sponsored plans — you are entitled to written notice of denial and a full and fair review with access to all claim documents.

Step 4: Escalate to Your Jurisdiction's Dispute Resolution Body

In the UK, if Aegon does not resolve your complaint within 8 weeks under FCA DISP rules, escalate to the Financial Ombudsman Service (FOS) at financial-ombudsman.org.uk within 6 months of the Final Response. FOS is free and its decisions are binding on Aegon. In the Netherlands, escalate to Klachteninstituut Financiële Dienstverlening (Kifid) at kifid.nl — free and binding for disputes Aegon accepts. In the US, file a complaint with your state insurance commissioner; most states require a written response within 30–45 days.

In the US, for health-related claims including living benefit riders, request external review under ACA §2719 after exhausting the internal appeal. IROs) Explained" class="auto-link">Independent Review Organizations (IROs) apply clinical standards independent of Aegon's internal criteria.

For very large claims or bad-faith conduct — particularly in the US where state bad-faith insurance statutes can allow punitive damages — insurance litigation attorneys can assess the case. Many work on contingency for life insurance disputes.

What to Include in Your Appeal

  • Denial letter with the specific policy clause and factual basis cited
  • Complete policy with all endorsements and riders
  • Aegon's full claim file obtained under privacy law
  • Independent medical specialist report addressing the policy definition
  • Original application form if non-disclosure is alleged, with a statement explaining the circumstances of any omission

Fight Back With ClaimBack

Aegon and Transamerica denials on non-disclosure and critical illness definition grounds are frequently challenged successfully when the right medical evidence and legal arguments are presented under applicable UK, US, or Dutch consumer protection law. ClaimBack generates a professional appeal letter in 3 minutes.

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