How much does a colonoscopy cost in Illinois?
That's the typical price in Illinois before insurance — most people land between $1,474 and $3,863. That's 1% below the US average of $2,514.
What you'd actually pay
| Typical employer or Silver plan | $2,494 |
| Uninsured (hospital cash price) | $2,744 |
Silver assumes a $5,304 deductible, 20% coinsurance, capped at the $10,600 out-of-pocket maximum. If you're uninsured, ask about charity care — nonprofit hospitals can't bill you list price if you qualify, and most people never ask.
Try your own plan →Why Illinois costs what it does
Illinois hospitals charge private insurers 252% of what Medicare pays for the same care. The national average is 254%.
#26 most expensive of 50 states
The same care costs $1,603 in Arkansas and $3,425 in Florida — a 2.1× spread for identical treatment. Where you live is one of the biggest single factors in your bill.
What Medicare pays
Medicare pays $1,115 for this. In Illinois, private insurers pay roughly 2.2× that.
Compare nearby states
An estimate, not a bill. Built from published data: the national price from Health Care Cost Institute — HealthPrices.org, scaled by Illinois's hospital price level from RAND. Your actual bill depends on your hospital, your plan and your diagnosis. Not medical or financial advice. How we work this out →