Health · official-source review · reviewed 2026-10-09
The bill and the explanation rarely agree on first read, and the difference hides in three numbers.
Compare the billed amount, the allowed amount, and your responsibility line by line before you pay.
Anyone holding a provider bill and an insurer explanation of benefits.
Use the source document or official route that applies to your situation. This guide does not contact another person or verify external information.
Put the bill and the explanation of benefits side by side.
Match billed, allowed, and your responsibility amounts.
Check the service date and procedure code on both papers.
Ask the provider's billing office about any line that does not match.
A bill shows $420, the allowed amount is $260, and your responsibility is $45. The matcher flags the gap to check against the plan.
Use your own source and details. The example is not a record about a real person or organization.
U.S. Consumer Financial Protection Bureau · reviewed 2026-10-09
What this source supports: The CFPB publishes consumer guidance on medical billing errors, itemized bills, and billing rights.
Source limit: Coverage decisions depend on your plan documents and state law. Confirm with your insurer and provider.
U.S. Centers for Medicare & Medicaid Services · reviewed 2026-10-09
What this source supports: Use the specific notice to identify the process and deadline. Do not apply one deadline to every plan or notice.
Source limit: Plans, programs, and notices can use different steps and deadlines. Follow the notice and contact the plan or a qualified navigator.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
This guide compares the numbers on your documents. It does not file appeals, contact providers, or give medical or legal advice.
Coverage decisions depend on your plan documents and state law. Confirm with your insurer and provider.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Compare billed, allowed, and patient-responsibility amounts and flag the gap for a billing question.
This App compares numbers you enter. It does not contact your insurer or provider, file appeals, or interpret coverage.
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
The App computes the worked example with your own numbers, in your browser.
APP 1
Compare billed, allowed, and patient-responsibility amounts and flag the gap for a billing question.
Free · no account · no upload
Open Medical Bill and EOB MatcherThe App runs in this browser. It does not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.
Companion App: Medical Bill and EOB Matcher. It runs in this browser and does not upload your entries.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.