A hospital price transparency file is a downloadable spreadsheet or data file that lists, line by line, what a hospital charges for the items and services it provides. Since January 1, 2021, federal regulation (45 CFR Part 180) has required nearly every U.S. hospital to publish one. The fastest way to use it: download the file, search for your procedure’s CPT/HCPCS code or description, then read across the row to compare the cash price against the negotiated rates.
This guide walks through finding the file, decoding its columns, and turning a confusing data dump into a usable number. For the procedures we track, you can also skip the raw file and start with our compiled procedure-by-metro price ranges.
Where is the machine-readable file?
Every hospital must post a single comprehensive machine-readable file (MRF) that is free, accessible without registration, and named with a CMS-mandated convention:
<EIN>_<hospital-name>_standardcharges.[json|csv]
The EIN is the hospital’s Employer Identification Number. To find it:
- Look in the website footer for “Price Transparency,” “Standard Charges,” or “Hospital Charges.”
- Search the web for the hospital’s name plus “machine readable file” or “standard charges.”
- Check the hospital’s
/sitemap.xmlif the link is buried.
There is also a second, separate requirement: a consumer-friendly display of at least 300 shoppable services (or as many as the hospital provides), which can be a simpler list or a price-estimator tool. The MRF is the complete dataset; the shoppable-services display is the curated, patient-facing view.
What are the five standard charges?
The heart of the file is five “standard charges” that CMS requires for each item or service. Understanding what each one means is the whole game:
| Column | What it means | Who pays it |
|---|---|---|
| Gross charge | The chargemaster “sticker” price | Almost no one — it is a list price |
| Discounted cash price | The self-pay price without insurance | Uninsured or self-pay patients |
| Payer-specific negotiated charge | The rate negotiated with a named insurer/plan | Insured patients (before deductible/coinsurance) |
| De-identified minimum negotiated charge | The lowest negotiated rate across all payers | Benchmark only |
| De-identified maximum negotiated charge | The highest negotiated rate across all payers | Benchmark only |
The single biggest misconception is treating the gross charge as “the price.” It is not. The gross charge is an inflated list price; the discounted cash price and payer-specific negotiated charges are the numbers that reflect what people actually pay. We explain this gap in depth in cash price vs. insurance negotiated rate.
How do I find my specific procedure in the file?
Files can contain tens of thousands of rows. Search, don’t scroll:
- Get your code. Ask the ordering provider for the CPT or HCPCS code (and any modifiers). For example, an MRI of the brain without contrast is CPT 70551; a diagnostic colonoscopy is often CPT 45378.
- Open the file. A
.csvopens in any spreadsheet app. A.jsonfile is best viewed in a code editor or a free JSON viewer. - Use Find (Ctrl/Cmd+F). Search the code first, then the plain-language description as a backup (“MRI brain,” “colonoscopy”).
- Read across the row. Note the cash price and the negotiated charge for your insurer’s plan, not just any insurer.
- Watch the setting. Hospital outpatient department, ambulatory surgery center and inpatient rates differ — confirm you are reading the line for where your care will happen.
Bold tip: Inpatient procedures such as childbirth or knee replacement are frequently priced by MS-DRG (a bundled diagnosis-related group code) rather than CPT. Search the DRG number if a CPT search comes up empty.
What the file will not tell you
A price transparency file is powerful but incomplete. Keep these limits in mind:
- Separately billed professional fees. The facility’s MRF often excludes the radiologist read, surgeon, anesthesiologist or pathologist, who bill on their own. A “cheap” facility price can be followed by separate clinician bills.
- Your benefit design. A negotiated rate is the contracted amount, not your share. Your deductible, coinsurance and out-of-pocket maximum determine what you actually pay. Estimate that with our out-of-pocket cost estimator.
- Data freshness and errors. Files are updated periodically and can contain encoding mistakes. If a number looks wrong, call the hospital’s billing office and ask for a written estimate.
What is changing in 2026?
CMS has been tightening the rules. Under the CY 2026 OPPS/ASC final rule, hospitals must move toward reporting actual negotiated dollar amounts rather than estimates for certain items, rely on standardized data sources, and sign a stronger attestation that the encoded information is “true, accurate, and complete.” New requirements take effect January 1, 2026, with enforcement beginning April 1, 2026. We break this down in the 2026 CMS hospital price transparency rule, explained.
The bottom line
Reading a hospital price transparency file comes down to three moves: find the file (footer or a quick web search), search by CPT/HCPCS or DRG code, and read the right column — cash price if you are self-pay, the payer-specific negotiated charge if you are insured. Treat the gross charge as noise. Then verify with the hospital and your insurer before scheduling, because separately billed professional fees and your own benefit design can change the final number.
Medical and financial disclaimer: This article is general information, not medical, billing, legal or tax advice. Prices, codes and rules change. Always confirm exact figures with the hospital and your insurer before relying on them. See our methodology and disclaimer.
Primary source: U.S. Centers for Medicare & Medicaid Services (CMS), Hospital Price Transparency, cms.gov; regulation at 45 CFR Part 180.