Free medical bill and insurance guides
Short, plain-English guides to the paperwork. General information only — your own plan documents always win.
EOB meaning: what an Explanation of Benefits is
What an Explanation of Benefits is for, and how to use it.
How to read a medical bill
The five numbers that actually matter on a statement.
Deductible, copay and coinsurance in plain English
Three words that decide most of what you pay.
Why asking for an itemized statement helps
Line-by-line detail makes questions specific.
What to do when a claim is denied
Read the reason, then follow the instructions on your own paperwork.
Talking to a billing department
A calm, short script goes a long way.
What CPT, HCPCS and revenue codes mean on a bill
The short codes next to each charge, explained.
What an "adjustment" or "contractual discount" is
Why the amount you owe is often much lower than the original charge.
In-network vs. out-of-network, in plain English
Why the same service can cost very different amounts.
What a Good Faith Estimate is
A price estimate you can ask for if you're uninsured or paying yourself.
Asking about financial assistance and payment plans
Options worth asking about when a balance is hard to pay.
How to organize medical bills and EOBs
A simple system that makes every phone call easier.
Important: The Medical Bill Detective provides informational assistance based on the documents you provide. It does not provide medical, legal, insurance, or financial advice and does not determine whether a bill is legally valid, fraudulent, or incorrect. Potential discrepancies should be verified with your healthcare provider and/or insurance company.