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Flexible sigmoidoscopy in Illinois: what insurers pay

Posted commercial rates at 7 Illinois hospitals, each next to its own Medicare base rate.

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CPT 45330

Hospital	Median across insurers	× Medicare	Insurers	File date
Endeavor Health Northwest Community Hospital Arlington Heights	$1,017	1.0×	3	2026-04-01
Endeavor Health Edward Hospital Naperville	$1,526	1.5×	2	2026-04-01
Endeavor Health Evanston Hospital Evanston	$2,206	2.2×	2	2026-04-01
Endeavor Health Elmhurst Hospital Elmhurst	$2,382	2.4×	2	2026-04-01
University of Chicago Medical Center Chicago	$3,076	3.1×	2	2026-04-01
Rush University Medical Center Chicago	$3,611	3.6×	2	2026-09-25
Loyola University Medical Center Maywood	$4,016	4.0×	1	2026-03-31

CPT 45331

Hospital	Median across insurers	× Medicare	Insurers	File date
Endeavor Health Northwest Community Hospital Arlington Heights	$1,017	1.0×	3	2026-04-01
Endeavor Health Edward Hospital Naperville	$1,526	1.5×	2	2026-04-01
Endeavor Health Evanston Hospital Evanston	$2,206	2.2×	2	2026-04-01
Endeavor Health Elmhurst Hospital Elmhurst	$2,382	2.4×	2	2026-04-01
University of Chicago Medical Center Chicago	$3,076	3.1×	2	2026-04-01
Rush University Medical Center Chicago	$3,701	3.7×	2	2026-09-25
Loyola University Medical Center Maywood	$4,016	4.0×	1	2026-03-31

Questions

How much do insurers pay for flexible sigmoidoscopy in Illinois?

7 Illinois hospitals post usable commercial rates for flexible sigmoidoscopy in their federal price-transparency files. For CPT 45330, hospital outpatient, the median across 7 hospitals is $2,382, 2.4× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.