How do I understand my medical bill?
Check a medical bill against your plan and payment records.
A U.S. health plan's Explanation of Benefits, or EOB, is not a bill. It shows how the plan handled a claim. The provider's bill and past payments need checking too.
Sample: the EOB shows a $70 patient share. You already paid $25 toward that share. With no other changes, $45 remains.
ChatGPT can explain the sample, not verify real codes or cover. Ask the provider and plan about mismatches, denials and any reply deadline.
- Use the made-up example below.
- Check that $70 minus $25 equals $45.
- Match the real visit, charges and payments in your private records.
- Contact the provider or plan through verified details about any error.
Sample EOB: patient share $70; $25 already paid toward it; no other changes. Explain an EOB and show what remains here. Do not verify a real bill or guess care codes.
Paste the message into ChatGPT, then fill in any blanks before you send it. ChatGPT opens in a new tab. Opening it does not send the message.

Keep claim IDs and medical papers private. A chat does not open a billing dispute.
Sources and more help
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