Why one scan produces two bills

The technical component. The scanner, the technologist, the room, and the contrast material if it is used. Billed by whoever owns the equipment.

The professional component. The radiologist who interprets the images. Very often a separate group with separate billing, even when the scan happened inside a hospital building.

This is why people who carefully priced the scan still get a second envelope weeks later. When you ask for a price, the question has to cover both:

“Does that price include the radiologist’s reading, or is that billed separately?”

Contrast is not a detail

A CT can be ordered without contrast, with contrast, or both. That choice changes the CPT code, the preparation, the time in the department and the price.

It also changes the questions the facility will ask you, because contrast has its own requirements. Get the exact order from the ordering office before you shop, in this form: “Is this CT with contrast, without, or both, and what is the CPT code?”

Where you get it moves the price more than what you get

SettingWhat is typically billed
Freestanding imaging centerTechnical + professional. No hospital facility fee. Usually the lowest total for routine outpatient imaging.
Hospital outpatient departmentTechnical + professional + facility fee, because the site is licensed as part of the hospital.
During an ER visit or inpatient stayFolded into the hospital account, under that account’s rules.

An imaging center a few blocks from a hospital, read by radiologists from the same group, can bill a materially different total for the identical study. For a scheduled, non-urgent scan that difference is worth two phone calls. What a facility fee is and why it exists.

Prior authorization is where insured patients lose

Most plans require approval before a CT. The ordering office submits it. What you control is the timing and the follow-up.

  1. Confirm it is approved, not merely submitted, and write down the reference number.
  2. Check that the facility you booked is the one named in the authorization. Approvals can be site-specific, and rebooking elsewhere can quietly void it.
  3. If it is denied, ask the ordering physician about a peer-to-peer review before accepting the denial. How appeals work in New York.

Getting a real number before you go

Get the CPT code from the ordering office. Everything else depends on it.

Call two facilities with the same script:

“I need CPT [code], [with / without] contrast. What is the cash price, does that include the radiologist’s read, and do you bill a facility fee?”

Check the hospital’s published price file for the same code. Every hospital is required to publish one, listing the cash price and negotiated rates. How to read it.

If you are insured, ask the plan what applies: deductible, coinsurance, or a flat copay. Imaging is where percentage-based coinsurance hurts most, because the base number is large.

If the bill already arrived

The order is the same as for any hospital bill. Itemized bill first, then a financial assistance application, then a check of whether both components were billed correctly and whether the reading radiologist was in network.

For uninsured patients in New York there is a legal ceiling regardless of the sticker price: nothing out of pocket at or below 200% of the federal poverty level, capped at 10% of the Medicaid rate to 300% and 20% to 400%, no asset test, immigration status not considered, and applications accepted even after the bill goes to collections. The procedure.

Questions people ask

How much does a CT scan cost in New York?

There is no single answer, and any site that gives you one is guessing. The total depends on the body part, whether contrast is used, and above all whether the site is a freestanding center or a hospital outpatient department. Get the CPT code and call two places.

Why did I get a second bill from a company I never heard of?

That is almost always the radiology group that read the images. It bills separately from the facility.

Is a hospital CT better than one at an imaging center?

For routine outpatient imaging the study is the same and a radiologist reads it either way. If your physician prefers a specific facility, ask why, because sometimes there is a clinical reason and sometimes it is habit.

Do I need prior authorization?

Most plans require it for CT. Confirm it is approved, get the reference number, and check that the approval names the facility you booked.

Can I reuse a scan done somewhere else?

Yes. Ask for the images on a disc or through a portal plus the written report. Repeating a recent scan because nobody requested the old one is a common and expensive waste.

Does Medicaid or the Essential Plan cover CT?

Both cover medically necessary imaging, subject to authorization rules. Confirm the facility participates with your exact plan before booking.

Sources

  1. CMS — Hospital Price Transparency (checked 2026-09-09)
  2. NY Health Access — NYS Hospital Financial Assistance Law (checked 2026-09-09)

More in What It Costs: How Every Medical Bill in New York Is Assembled

This page explains how the system works. It is not medical advice. More.