CA-125 ovarian marker test cost in Chicago, IL

Prices at 17 hospitals in Chicago, IL, from their machine-readable files. Here the median cash price is $136 — 19% above the US median ($115), roughly 6.5× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Saint Anthony Hospital Chicago, IL $31 $46 ★ 2/5 181 min —
University of Illinois Hospital and Clinics Chicago, IL $33 $17 ★ 4/5 298 min —
John H Stroger Jr Hospital Chicago, IL $37 $19 ★ 2/5 293 min —
Provident Hospital of Chicago Chicago, IL $37 $19 — 190 min —
Advocate Trinity Hospital Chicago, IL $123 $98 ★ 2/5 247 min —
Advocate Illinois Masonic Medical Center Chicago, IL $123 $98 ★ 3/5 237 min —
Louis a Weiss Memorial Hospital Chicago, IL $136 $21 ★ 1/5 210 min —
Montrose Behavioral Health Hospital Chicago, IL $136 $21 — — —
St Bernard Hospital Chicago, IL $179 — ★ 1/5 231 min —
Presence Saints Mary and Elizabeth Medical Center Chicago, IL $185 $24 ★ 3/5 192 min —
Presence Saint Joseph Hospital-Chicago Chicago, IL $185 $24 ★ 4/5 146 min —
Jackson Park Hospital Chicago, IL $210 — ★ 1/5 268 min —
Northwestern Memorial Hospital Chicago, IL $266 $230 ★ 5/5 350 min —
Ann & Robert H Lurie Childrens Hospital of Chicago Chicago, IL $268 $306 — — —
Larabida Childrens Hospital I Chicago, IL $268 $306 — — —
The University of Chicago Medical Center Chicago, IL $520 $44 ★ 4/5 295 min —

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 October 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)
$380
Cash / self-pay
$136
Insurer-negotiated
$24
Medicare pays
$21
$32$268
Median cash $136  ·  Medicare $21  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $136 — about 6.5× the Medicare rate ($21). High vs Medicare. A fair cash price is usually within ~2× Medicare ($42).

💡 Asking for the cash price instead of the $380 list price could save about $244 (64%).

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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 CA-125 ovarian marker test prices in Illinois → · All CA-125 ovarian marker test prices (national) · All hospitals in Chicago