Creatine kinase (CK) test cost in Chicago, IL

Prices at 18 hospitals in Chicago, IL, from their machine-readable files. Here the median cash price is $61 — 23% above the US median ($50), roughly 9.4× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Saint Anthony Hospital Chicago, IL $11 $17 ★ 2/5 191 min 16.5%
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%
Presence Saints Mary and Elizabeth Medical Center Chicago, IL $28 $7 ★ 3/5 189 min 14.2%
Presence Saint Joseph Hospital-Chicago Chicago, IL $28 $7 ★ 4/5 137 min 14.9%
University of Illinois Hospital and Clinics Chicago, IL $33 $7 ★ 4/5 319 min 15.9%
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%
Shriners Hospital for Children Chicago, IL $68 $8
Louis a Weiss Memorial Hospital Chicago, IL $69 $7 ★ 1/5 212 min 16.1%
Montrose Behavioral Health Hospital Chicago, IL $69 $7
Ann & Robert H Lurie Childrens Hospital of Chicago Chicago, IL $110 $126
Larabida Childrens Hospital I Chicago, IL $110 $126
The University of Chicago Medical Center Chicago, IL $133 $14 ★ 4/5 286 min 16.0%
St Bernard Hospital Chicago, IL $151 ★ 1/5 232 min 15.8%
Northwestern Memorial Hospital Chicago, IL $185 $82 ★ 5/5 327 min 15.0%
Jackson Park Hospital Chicago, IL $222 ★ 1/5 244 min 16.3%

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)

Chargemaster (list price)
$110
Cash / self-pay
$61
Insurer-negotiated
$8
Medicare pays
$7
$12$161
Median cash $61  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $61 — about 9.4× 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 $110 list price could save about $49 (44%).

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Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.

All Creatine kinase (CK) test prices in Illinois → · All Creatine kinase (CK) test prices (national) · All hospitals in Chicago