Fix My Bill
How it worksPricingGuidesLog inScan a bill free
Guides — 16 articles

Bill dispute guides

Plain-English explanations of the laws, codes, and tactics behind fixing billing errors. Every guide is written by humans, checked against primary sources, and updated as the rules change.

United States

10 guides
Medical6 min read

The 7 most common medical bill errors

Duplicate charges, upcoding, unbundling, balance billing — the errors that cost Americans billions, and how to spot them.

Medical7 min read

How to dispute a medical bill (step-by-step)

Six-step template: itemized bill → EOB reconciliation → dispute letter → escalation. Written to work, not to sound polite.

Medical6 min read

How to read an itemized hospital bill

Decode the UB-04, revenue codes, CPT/HCPCS lines — and run the seven-point audit pass that catches almost every common error.

Insurance5 min read

What is an EOB?

The Explanation of Benefits explained — the six fields that matter and why it is the most important paper in your bill dispute.

Insurance7 min read

How to appeal a denied health insurance claim

Internal appeal, external review, expedited process. Deadlines are strict — roughly 40% of appealed denials get overturned.

Medical6 min read

Medical debt and your credit score

The 2025 court ruling that vacated the CFPB rule, what the big-three credit bureaus still do voluntarily, and how to protect your score.

Law6 min read

The No Surprises Act, explained

What the 2022 federal law actually covers, the Good Faith Estimate rule for uninsured patients, and how to file a CMS complaint.

Law5 min read

What is balance billing?

The short, definitional explainer — with a worked example and the current federal rules on when it is and isn’t legal.

Law5 min read

Good Faith Estimate, explained

The NSA's protection for uninsured and self-pay patients — when you should get one, what must be on it, and the $400 dispute right.

Telecom6 min read

How to dispute a US phone, internet, or cable bill

Cramming, slamming, hidden fees, ETFs. How to push back, when to call the FCC, and the arbitration shortcut.

United Kingdom

2 guides
Energy5 min read

How to dispute a UK energy bill

Ofgem's 12-month back-billing ban, how to challenge estimated reads, and how to escalate to the Energy Ombudsman.

Tax6 min read

How to challenge your UK Council Tax band

Hundreds of thousands of UK homes are in the wrong band. How to check, how to challenge through the VOA, and how to claim a backdated refund.

Australia

2 guides
Energy6 min read

Your Australian electricity bill rights

What the Australian Consumer Law and NECF give you, plus the Energy and Water Ombudsman escalation path state by state.

Telecom5 min read

How to dispute an Australian phone or internet bill

Contact your provider first, then escalate for free to the Telecommunications Industry Ombudsman, whose decisions bind your provider.

New Zealand

1 guide
Energy5 min read

How to dispute a New Zealand electricity bill

Your rights under the Consumer Guarantees Act and the EIPC, and how Utilities Disputes resolves energy complaints for free.

How it works

1 guide
Method6 min read

How AI audits a bill (and where it can still go wrong)

What AI bill auditing actually does, why it works, and the categories of error it can and can't catch. The honest version.

Fix My Bill

AI audits your bills for errors and writes the dispute letter. Decision-support tool — not legal or medical advice.

Product
  • How it works
  • Pricing
  • Scan a bill
Guides
  • Dispute a medical bill
  • No Surprises Act explained
  • Appeal a denied claim
  • All guides
Company
  • Privacy
  • Terms
  • Contact
© 2026 Fix My BillUS · UK · AU · NZ