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Cancer Treatment Denied by Insurance: How to Appeal

By AppealFlow editorial•5 min read•
Cancer Treatment Denied by Insurance: How to Appeal
Cancer treatment denials often involve off-label use, a drug or radiation technique the plan considers not medically necessary, step therapy, or out-of-network specialists. The strongest appeals cite the NCCN guidelines or drug compendia that support the treatment for your specific cancer and stage, and request an expedited review because delays can affect outcomes. If you're joining a clinical trial, the ACA generally requires plans to cover routine patient costs.

Why Do Insurers Deny Cancer Treatment?

Key Takeaway: Most denials fit one of these patterns.

  • Off-label: the drug isn't FDA-approved for your cancer type.
  • Not medically necessary: the plan prefers another regimen or radiation technique (for example, proton therapy versus standard radiation).
  • Step therapy: the plan wants a different drug tried first.
  • Experimental: the plan calls the treatment investigational.
  • Network or site of care: the specialist, center or infusion site isn't approved.

What Evidence Do Insurers Accept?

Key Takeaway: Compendia and guidelines carry weight.

For off-label use, Medicare and many state laws require coverage of anticancer drugs supported by recognized compendia, such as the NCCN Drugs & Biologics Compendium, Clinical Pharmacology, and others named by CMS. Many commercial plans also follow NCCN guidelines. Your oncologist can cite the guideline category (for example, NCCN Category 1 or 2A) for your situation. Peer-reviewed studies help when guidelines are silent.

How Do I Appeal Quickly?

Key Takeaway: Ask for urgency up front.

  • Ask your oncologist's office to request an expedited (urgent) appeal; plans generally must decide within 72 hours when delay could seriously jeopardize your health.
  • Request a peer-to-peer review between your oncologist and the plan's reviewer, ideally an oncologist.
  • Include pathology, staging, biomarker results, prior treatments, and the guideline or compendium citation.
  • For step therapy, explain why the required drug is contraindicated, already failed, or likely harmful. See step therapy appeals.
  • Request external review if the internal appeal fails; urgent external reviews also have fast timelines.
  • Use the medical necessity appeal generator for the letter structure.

Are Clinical Trials Covered?

Key Takeaway: Routine costs usually are.

Under the ACA (Public Health Service Act section 2709), non-grandfathered plans can't deny participation in an approved clinical trial for cancer or other life-threatening conditions, and must cover routine patient costs such as doctor visits and standard tests. The experimental drug itself is usually provided by the trial sponsor. Medicare also covers routine costs in qualifying trials.

Related Guides

Frequently Asked Questions

Sources

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Disclaimer: This article is for educational purposes only and does not constitute medical, legal, or financial advice. Plan terms, state laws, and federal rules vary and change. Check your plan documents and denial notice, and consider a licensed professional or your state consumer assistance program. See our full disclaimer.