Diagnostic procedure preparation cost in IL
What a diagnostic procedure preparation costs at IL hospitals — and the fair price to aim for.
Typical commercial prices here are 11% below the fair benchmark (0.89×) after accounting for local nurse/doctor wages and patient complexity.
Balances commercial hospital prices against CMS clinical safety, infection control, and patient experience.
Cash-Arbitrage Bifurcated Pricer
St Johns Hospital maintains elevated commercial insurance contracts (1.09× Fair BaseRate) while offering direct self-pay cash discounts that beat commercial negotiated medians on 43% of procedures. High-deductible and uninsured patients should always request the self-pay cash rate prior to billing.
Where They're Good (Patient & Payer Edge)
- Bottom-quartile procedures (Q25) price at 0.89× the peer BaseRate benchmark
- Self-pay cash beats commercial insurance on 43% of shoppable procedures (99/100 Cash Honesty)
- 2-Star CMS clinical rating with 63% patient recommendation (62/100 safety score)
- IRS 501(c)(3) charity care provides free care up to 200% FPL and discounted care up to 400% FPL (60.8% AGB cap)
Where You Can Get Burned (Markup Traps)
- Outpatient surgery & OR suites carry a 1.4× markup over Medicare rates
- Captive ER (1.3×) & laboratory (2.6×) services average 1.27× higher multiples than routine shoppable care (1.1×)
- Upper-quartile procedures (Q75 1.28×) jump +25% above the median procedure ratio (Q50 1.02×)
- Consolidated metro market (HHI 4,959) limits in-network hospital competition (Highly Concentrated Monopoly (>2,500))
Pre-scheduled outpatient procedures where patients can comparison-shop.
Emergency, inpatient DRG, lab, and specialty drug lines billed after admission.
Detects median-gaming when upper-quartile codes spike above the p50 median.
In general, IL hospitals charge below the fair price — a good state to get this done. how we calculate the BaseRate →
Compared with the rest of the country, IL’s fair BaseRate ($35) is about the same as the national fair price of $35.
Cheapest IL hospitals for a diagnostic procedure preparation
- St Johns Hospital · Springfield $12
- St Marys Hospital · Decatur $12
- HSHS Holy Family Hospital Inc · Greenville $12
- St Josephs Hospital · Breese $12
- Presence St Marys Hospital · Kankakee $12
- St Anthonys Memorial Hospital · Effingham $12
- OSF Saint Katharine Medical Center · Dixon $13
- OSF Saint Elizabeth Mdl Ctr · Peru $13
- St Joseph Medical Center · Bloomington $13
- Saint James Hospital · Pontiac $13
- St Mary Medical Center · Galesburg $13
- OSF Sacred Heart Medical Center · Danville $13
- OSF Saint Anthony's Health Center · Alton $13
- Saint Francis Hospital-Evanston · Evanston $13
- Holy Family Medical Center · Des Plaines $13
Audit a Bill or Quote at IL Hospital Benchmark (Zero PHI Required)
Statutory 501(r) AGB Cap Limits Bill to $27
At 274% FPL (201%–400% FPL tier), 26 U.S.C. § 501(r)(5) caps FAP-eligible bills at Amounts Generally Billed (36.3% of gross = $27).
Compare Prompt-Pay Cash Rate Against Remaining Deductible
Ask IL Hospital Benchmark's billing desk for their written 45 CFR § 180 discounted self-pay cash price and Good Faith Estimate under the No Surprises Act.
Negotiate Toward $35 Fair BaseRate ($20 Medicare)
Your bill ($74) is $39 above the denoised Fair BaseRate ($35) and 3.7× the $20 Medicare rate.