How do I dispute an emergency room bill?

Start by requesting an itemized bill and your UB-04 form from the hospital. Compare the CPT billing codes to your medical records, and look for upcoding, duplicate charges, or services you did not receive. MedicalBillReview.net can review your bill for free and identify errors you can formally dispute.

Is the ER bill review completely free?

Yes. MedicalBillReview.net provides a completely free, independent review of your emergency room bill. There is no cost to you at any point.

What is upcoding on a medical bill?

Upcoding is when a hospital bills for a higher level of care than was actually provided. For example, billing CPT code 99285 (the highest complexity ER visit) when the actual visit was a routine 99282. This is one of the most common and costly billing errors on ER bills, and it is something we specifically check for in every review.

What does the No Surprises Act cover for ER bills?

The No Surprises Act protects patients from unexpected out-of-network charges at in-network facilities, including emergency rooms. In most cases, you cannot be billed more than your in-network cost-sharing amount for emergency care, regardless of which doctor treated you.

What billing errors are most common on ER bills?

The most common ER billing errors include: upcoding (billing a higher level of care than provided), unbundling (charging separately for services included in a flat rate), duplicate billing (charging twice for the same service), and errors in medication quantities or supply units.

How do I get an itemized bill from a hospital?

You have a legal right to an itemized medical bill. Contact the hospital billing department and specifically request an itemized statement and the UB-04 claim form. Under federal law, hospitals must provide your medical records within 30 days of a written request.

Why Are Emergency Room Bills So High? (2026 Guide)

Emergency room bills are notoriously confusing, often leaving patients with "sticker shock" weeks after their visit. Charges vary wildly between hospitals — even for identical treatments — because of how facility fees and chargemaster prices are set. Understanding these CPT codes and hospital ownership structures is the first step toward questioning an unfair bill.

The Main Reason: Dual Billing

ER bills are high because they include both professional fees (for the doctor) and facility fees (for the hospital's overhead). Hospitals use a "Chargemaster" to set list prices that are often 4x–10x higher than actual costs, expecting to negotiate down with insurers. Uninsured patients are often billed at these inflated chargemaster rates.

The Four Components of an ER Bill

Facility fees — based on "readiness" costs: staffing 24/7, equipment, overhead
Professional fees — billed separately by the physician group (often an independent contractor)
Ancillary charges — cover labs, imaging, and supplies
Coding levels (1–5) — CPT codes 99281–99285 determine the base price

Why Prices Vary So Much Between Hospitals

Hospital Chargemaster pricing variations — every hospital sets its own list price
Insurance contract negotiation leverage — large networks get bigger discounts
Facility fee structure differences — teaching hospitals charge more
Hospital ownership — non-profit vs. for-profit can dramatically affect pricing

Common Billing Errors That Make ER Bills Even Higher

Incorrect evaluation level (upcoding to 99285 when 99282 is correct)
Duplicate charges for the same test or medication
Unbundled services that should be covered under one code
Inflated facility fees for minor visits

How to Challenge a High ER Bill

Request an itemized bill with CPT codes
Identify the specific facility fee level charged
Compare with price transparency data (Machine Readable Files from the hospital)
Ask the billing department for a formal coding review

Get a free review of your high ER bill →