Open laptop on a clean white desk — Photo: Unsplash License. Illustration of the topic, not a service endorsement.

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Sample dispute letter

Use this as a starting point.

Subject: Billing dispute, account #[number], date of service [date]
Dear Billing Department,
I am writing to dispute charges on my account #[number] for services
on [date]. After reviewing the itemized bill and my insurer's EOB, I
found the following problems:
1. [Charge description and code], [reason, such as duplicate]
2. [Charge description and code], [reason]
Please correct these charges and send me an updated statement.
Please hold my account from collections during this review.
Attached are the itemized bill and EOB.
Thank you,
[Your name]
[Phone number]