Diagnostic Mammogram Cost in Illinois
Dx mammo incl cad bi
$155.43Illinois physician fee2026 Medicare office rate- ✓Your ZIP's wage-adjusted hospital and surgery centre rates
- ✓Five nearby hospitals by name, with CMS star ratings
- ✓The add-on codes that typically land on the bill
- ✓A word-for-word script for asking for a good-faith estimate
- ✓A private link you can reopen and share
- ✓Everything in the Premium report
- ✓15 nearby hospitals instead of five
- ✓Filled good-faith-estimate request letter
- ✓Bill-negotiation letter
- ✓Printable PDF download
Illinois Medicare physician rate (2026)
-1.0% vs nationalAverage of 4 localities. Office range $147.91–$162.56.
Your ZIP in Illinois
Enter a ZIP code to see which Illinois locality applies to you, whether Chicago proper, the suburban collar counties, the Metro East near St. Louis, or downstate cities like Springfield, Peoria, and Champaign.
What diagnostic mammogram costs at hospitals near you
Everything above is a national average. The hospital you pick in Illinois moves the bill more than anything else you control.
Rates for your ZIP, 5 named hospitals with CMS ratings, the add-on codes, and the scheduler script.
One-off payment, no account and no subscription. You get a private link and an email. No medical records and no insurance card, ever.
What these numbers are
Every figure on this page is a 2026 Medicare allowed amount: the physician line comes from the Physician Fee Schedule adjusted by geographic practice-cost indices, and the facility totals come from the CMS hospital outpatient (OPPS) and ambulatory surgery centre rates. None of them is a hospital chargemaster price, your insurer's contracted rate, or a quote. Anesthesia, pathology, imaging reads and follow-up care are billed under their own codes when they apply, and an inpatient stay is paid a different way again.
National vs Illinois
Where Illinois ranks for this CPT
CPT 77066 by Illinois locality
| Locality | Office |
|---|---|
| suburban chicago | $162.56 |
| chicago | $161.28 |
| east st. louis | $149.97 |
| rest of illinois | $147.91 |
PE GPCI ranges from 0.913 to 1.027 in Illinois. That index is why the same CPT is not one price statewide.
Diagnostic Mammogram and how Illinois is priced
Illinois uses one of the more detailed locality maps in the Midwest: Chicago has its own locality, the suburban collar counties are priced separately, the East St. Louis area carries its own locality tied to the St. Louis market, and the rest of the state shares a fourth. Approved amounts step down noticeably from the city and suburbs to downstate, so the same procedure prices differently in Chicago, Naperville, Belleville, and Springfield. This four-way split makes Illinois one of the states where a ZIP-level check genuinely changes the answer. Downstate rates align more closely with neighboring rural states than with Chicagoland.
Chicago is one of the country's great medical hubs, with multiple academic medical centers and deep specialist supply, and its suburbs support large competing systems of their own. Downstate Illinois is a different market: smaller cities like Peoria, Springfield, and Champaign serve wide rural areas, and the Metro East suburbs orient toward St. Louis providers. Where you sit on that map shapes both price and choice.
This procedure: A diagnostic bilateral mammogram is a focused X-ray examination of both breasts performed because something needs a closer look: a lump, pain, nipple discharge, or an abnormality flagged on a screening mammogram. Unlike screening, a radiologist is typically on site directing extra angled or magnified views in real time, and you often receive results before leaving. Each breast is compressed briefly for each view, and the appointment usually runs 30 to 45 minutes.
What Is Diagnostic Mammogram?
A diagnostic bilateral mammogram is a focused X-ray examination of both breasts performed because something needs a closer look: a lump, pain, nipple discharge, or an abnormality flagged on a screening mammogram. Unlike screening, a radiologist is typically on site directing extra angled or magnified views in real time, and you often receive results before leaving. Each breast is compressed briefly for each view, and the appointment usually runs 30 to 45 minutes.
What Affects the Cost
- –Unlike free screening, diagnostic mammography is subject to deductible and coinsurance on most plans, making the same machines suddenly cost money.
- –Same-day breast ultrasound is frequently added to work up the finding, billed as its own study.
- –3D tomosynthesis views, now common, add a separate code and charge on top of the 2D study.
- –Hospital breast centers bill facility fees that independent breast imaging centers do not.
- –If a biopsy is recommended, that follow-on procedure with pathology is a substantial next cost.
Questions to Ask Before Booking
- 1.Does my state or plan waive cost sharing for diagnostic breast imaging, or will I owe deductible and coinsurance?
- 2.Will ultrasound or 3D views be added today, and what does each cost?
- 3.What is the facility fee at this breast center compared with an independent imaging center?
- 4.If a biopsy is recommended, what would that procedure and pathology cost?
- 5.Can you give me the total for all imaging performed before I leave today?
Other featured procedures in Illinois
Diagnostic Mammogram in other states
Diagnostic Mammogram in Illinois: questions
The 2026 Medicare physician office rate for CPT 77066 averages $155.43 across 4 Illinois localities, from $147.91 in REST OF ILLINOIS to $162.56 in SUBURBAN CHICAGO. The hospital physician rate averages $155.43. Enter a ZIP for the exact locality.
Yes. CMS splits Illinois into 4 payment localities. For this CPT the office physician fee spans $14.65 from the lowest to highest locality. Enter a ZIP code to see which Illinois locality applies to you, whether Chicago proper, the suburban collar counties, the Metro East near St. Louis, or downstate cities like Springfield, Peoria, and Champaign.
After the Part B deductible, coinsurance is usually 20% of the allowed amount: about $31 for the office physician line or $31 for the hospital physician line in Illinois. Medigap may cover that 20%. This is not the hospital facility fee.
No. $155.43 is the Medicare physician allowed amount for CPT 77066. Anesthesia, facility fees, implants, and other CPT codes billed the same day are extra. Illinois ranks #32 of 51 states on this physician line (within 2% of the national office rate of $156.98).