Up to 80% of medical bills contain errors. Find them in 5 minutes and get a dispute letter template you can copy and send. Drop your email below to unlock.
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Most providers send a "summary" bill. An itemized bill lists every charge line-by-line — and is required by law upon request.
Duplicate charges happen when the same service, medication, or supply is billed two or more times on the same bill.
It sounds obvious, but charges for tests, consultations, or procedures you never had are one of the most common billing errors.
Upcoding means billing for a more expensive procedure or visit level than what actually occurred. It can be accidental or intentional.
Unbundling means splitting a procedure into separate billable components — each charged individually — when they should be billed as one package at a lower rate.
Wrong patient info causes claims to be rejected or processed incorrectly — and the cost often lands on you.
Balance billing happens when a provider charges you the difference between their fee and what your insurance pays — which may be illegal for in-network providers.
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Copy this letter, fill in the bracketed fields, and send it to your provider's billing department via certified mail or secure patient portal.
Disclaimer: The results provided by this tool are for general informational and guidance purposes only. They do not constitute medical, legal, financial, or professional billing advice and should not be relied upon as such. CareNest makes no guarantee that all errors in your bill have been identified. Always consult a qualified healthcare billing advocate, patient advocate, attorney, or financial advisor before disputing charges or taking any action based on these results.