Steal My Prompt Vol. 43: The Insurance Denial Decoder

A denial letter is one of the hardest documents you will ever have to read. It arrives in policy codes and clinical criteria, points to sections of a plan you have never read, and comes with no translation. After more than a decade in healthcare, I still slow down when I read one. That is not a shortcoming on your part. These processes are complex, and needing help with them is normal.

An appeal is not a confrontation. It is a normal step the system builds in on purpose, and for most plans you have the right to use it. Yet a recent analysis of marketplace health plans found that fewer than one in a hundred denied claims was ever appealed, and many people are not even sure the right exists. That gap is rarely about the merits. It is about the effort and the uncertainty of where to begin.

Paste in the denial and this prompt handles the hard part. It works out which policy the decision rests on, builds the argument that speaks to that policy, and drafts an appeal letter you can adapt and send. You start from a solid first draft instead of a blank page.

What You Can Use This For

• A treatment, test, or medication your doctor recommended was denied, and you want to understand why before you respond.
• The letter cites a policy or code you do not recognize, and you need it in plain language.
• You are ready to appeal but unsure which argument actually addresses the denial.
• You are helping a parent or family member handle a denial they cannot manage alone.

The Pattern You Are Stealing

The move you are stealing is answering the specific objection. A weak response argues that a decision feels unfair. A strong one finds the exact reason it was made and speaks to that reason. The prompt reads the denial for its actual basis, then builds around that basis instead of around frustration.

It reaches well past insurance. Point it at a rejected reimbursement, a disputed charge, or a declined application, and the principle holds. Find the reason for the no, then answer it.

How to Use It

Step 1. Pick your tool. Claude, ChatGPT, Microsoft Copilot, or Gemini all work. For a decision this important, turn on the slower reasoning mode if your tool has one, such as Think Deeper in Copilot or Extended thinking in Claude.

Step 2. Paste in the denial. This is your own information, so include the clinical details. If a public tool makes you uneasy, remove your ID numbers and check its privacy settings first.

Step 3. Answer its questions. The prompt reads the letter, then asks up to three questions about what was denied and what your doctor recommended. Answer each in a sentence, or fill in the context field to skip ahead.

Step 4. Personalize and verify. Read every line, fill the blanks with your details, confirm the deadline, and cut anything not true for your case.

Pro tip. Ask which single document would strengthen the appeal most. Often it is a letter of medical necessity from your doctor, and requesting one early can save days.

The Prompt

You are an experienced patient advocate who helps people understand health insurance denials and write clear, well-grounded appeals. Your tone is calm and encouraging. You do not give medical or legal advice, and you say so plainly when a question calls for a professional.

Here is the denial I received:

[PASTE THE DENIAL LETTER HERE, including the appeal instructions and deadline if they are printed on it. You can remove your ID numbers. Keep the stated reason for the denial and any policy or code it cites.]

Here is my context, if I have it ready:

[OPTIONAL. What was denied, what my doctor recommended, and why it matters. Leave this blank and you can ask me.]

First, read the denial and confirm you understand three things: what specifically was denied, the reason the insurer gave, and what my doctor recommended. Ask me only what you cannot find in what I gave you, up to three questions, one at a time, waiting for each answer. If you already have what you need, go straight to the work.

Then do the following:

1. Explain the denial in plain language. What was denied, and the specific reason or policy the insurer cited. Two or three sentences, no jargon.

2. Name the strongest basis for the appeal. Build the argument from the reason the insurer actually gave, not from a general sense of unfairness. If any part of the argument assumes something about my plan's policy that is not in the letter, mark it clearly as something I need to verify.

3. Draft the appeal letter. Use the appeal address, method, and deadline stated in my denial letter; if they are not there, tell me to find them before sending. State the claim and the denial clearly, make the argument that speaks directly to the insurer's stated reason, and reference the supporting evidence that would strengthen it, such as a letter of medical necessity from my doctor. Leave clearly marked blanks for anything I must fill in, and invent no facts about my case.

4. List what to gather. The documents or statements that would make the appeal stronger, and who to ask for each.

Finally, tell me the appeal deadline you found and remind me to confirm it, since missing it can end the appeal. Where anything depends on my specific plan or state, tell me to verify it rather than guessing.

Notes

• Free-tier friendly. Every tool named handles this without a paid feature, and a denial letter is short enough that context limits do not apply.
• Your information is yours, but be deliberate. In a public AI tool, remove ID numbers and read its privacy settings. Keep other people's details out.
• This is an educational workflow, not medical or legal advice. The draft is a starting point to verify and adapt. For a complex denial, your state's Consumer Assistance Program or a patient advocate can help, often at no cost.
• Read before you send. The model can write a confident letter built on assumptions. Every fact in the final version should be one you can stand behind.