AST liver enzyme test cost in Chicago, IL

Prices at 18 hospitals in Chicago, IL, from their machine-readable files. Here the median cash price is $51 — 34% above the US median ($38), roughly 9.9× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
John H Stroger Jr Hospital Chicago, IL $9 $8 ★ 2/5 293 min —
Provident Hospital of Chicago Chicago, IL $9 $8 — 190 min —
Saint Anthony Hospital Chicago, IL $11 $17 ★ 2/5 181 min —
Presence Saints Mary and Elizabeth Medical Center Chicago, IL $15 $6 ★ 3/5 192 min —
Presence Saint Joseph Hospital-Chicago Chicago, IL $15 $6 ★ 4/5 146 min —
University of Illinois Hospital and Clinics Chicago, IL $46 $5 ★ 4/5 298 min —
Northwestern Memorial Hospital Chicago, IL $50 $48 ★ 5/5 350 min —
Louis a Weiss Memorial Hospital Chicago, IL $51 $5 ★ 1/5 210 min —
Montrose Behavioral Health Hospital Chicago, IL $51 $5 — — —
Advocate Trinity Hospital Chicago, IL $53 $26 ★ 2/5 247 min —
Advocate Illinois Masonic Medical Center Chicago, IL $53 $26 ★ 3/5 237 min —
Shriners Hospital for Children Chicago, IL $54 $6 — — —
Ann & Robert H Lurie Childrens Hospital of Chicago Chicago, IL $91 $104 — — —
Larabida Childrens Hospital I Chicago, IL $91 $104 — — —
The University of Chicago Medical Center Chicago, IL $98 $12 ★ 4/5 295 min —
Jackson Park Hospital Chicago, IL $128 — ★ 1/5 268 min —
St Bernard Hospital Chicago, IL $130 — ★ 1/5 231 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)
$85
Cash / self-pay
$51
Insurer-negotiated
$8
Medicare pays
$5
$9$107
Median cash $51  ·  Medicare $5  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $51 — about 9.9× the Medicare rate ($5). High vs Medicare. A fair cash price is usually within ~2× Medicare ($10).

💡 Asking for the cash price instead of the $85 list price could save about $33 (39%).

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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.

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