Prices at 89 hospitals in Illinois, from their machine-readable files. Here the median cash price is $76 — 53% above the US median ($50), roughly 11.7× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| John H Stroger Jr Hospital | Chicago, IL | $12 | $8 | ★ 2/5 | 280 min | 15.0% |
| Provident Hospital of Chicago | Chicago, IL | $12 | $8 | — | 222 min | 15.5% |
| Carle Foundation Hospital | Urbana, IL | $27 | $13 | ★ 2/5 | 214 min | 15.9% |
| Carle Health Proctor Hospital | Peoria, IL | $28 | $9 | ★ 3/5 | 151 min | 13.3% |
| Carle Health Pekin Hospital | Pekin, IL | $28 | $10 | ★ 3/5 | 106 min | 14.7% |
| Carle Hoopeston Regional Health Center | Hoopeston, IL | $28 | $22 | — | — | 15.5% |
| Alton Memorial Hospital | Alton, IL | $28 | $28 | ★ 4/5 | 194 min | 15.1% |
| Saint Joseph Medical Center | Joliet, IL | $28 | $7 | ★ 1/5 | 204 min | 15.6% |
| Presence St Marys Hospital | Kankakee, IL | $28 | $7 | ★ 4/5 | 146 min | 14.0% |
| Presence Mercy Medical Center | Aurora, IL | $28 | $7 | ★ 3/5 | 194 min | 14.4% |
| Presence Saints Mary and Elizabeth Medical Center | Chicago, IL | $28 | $7 | ★ 3/5 | 189 min | 14.2% |
| Saint Joseph Hospital-Elgin | Elgin, IL | $28 | $7 | ★ 4/5 | 145 min | 14.3% |
| Presence Saint Joseph Hospital-Chicago | Chicago, IL | $28 | $7 | ★ 4/5 | 137 min | 14.9% |
| Mc Donough District Hospital | Macomb, IL | $33 | $46 | ★ 3/5 | 152 min | 15.1% |
| University of Illinois Hospital and Clinics | Chicago, IL | $33 | $7 | ★ 4/5 | 319 min | 15.9% |
| Riverside Medical Center | Kankakee, IL | $34 | $7 | ★ 4/5 | 168 min | 15.0% |
| Carle Health Methodist Hospital | Peoria, IL | $34 | $8 | ★ 2/5 | 220 min | 14.7% |
| Trinity Rock Island | Rock Island, IL | $34 | $7 | ★ 3/5 | 172 min | 15.4% |
| Touchette Regional Hospital Inc | Centreville, IL | $52 | $8 | — | 126 min | — |
| Mason District Hospital | Havana, IL | $55 | $20 | — | 98 min | 15.1% |
| Advocate Sherman Hospital | Elgin, IL | $55 | $18 | ★ 4/5 | 194 min | 15.4% |
| Advocate Trinity Hospital | Chicago, IL | $55 | $34 | ★ 2/5 | 244 min | 16.0% |
| Advocate Illinois Masonic Medical Center | Chicago, IL | $55 | $34 | ★ 3/5 | 236 min | 16.2% |
| Advocate Condell Medical Center | Libertyville, IL | $55 | $26 | ★ 4/5 | 216 min | 14.8% |
| Advocate Christ Hospital & Medical Center | Oak Lawn, IL | $55 | $34 | ★ 3/5 | 252 min | 15.8% |
CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated August 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.
Price comparison (median)
Typical cash price here is $76 — about 11.7× the Medicare rate ($7). High vs Medicare. A fair cash price is usually within ~2× Medicare ($13).
💡 Asking for the cash price instead of the $116 list price could save about $40 (34%).
Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.
By city
Creatine kinase (CK) test cost in other states
All Creatine kinase (CK) test prices (national) → · All hospitals in Illinois →