Arterial blood gas (ABG) cost in Illinois

Prices at 83 hospitals in Illinois, from their machine-readable files. Here the median cash price is $211 — 37% above the US median ($154), roughly 8.1× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Saint Joseph Medical Center Joliet, IL $38 $29 ★ 1/5 204 min 15.6%
Presence St Marys Hospital Kankakee, IL $38 $29 ★ 4/5 146 min 14.0%
Presence Mercy Medical Center Aurora, IL $38 $29 ★ 3/5 194 min 14.4%
Presence Saints Mary and Elizabeth Medical Center Chicago, IL $38 $29 ★ 3/5 189 min 14.2%
Saint Joseph Hospital-Elgin Elgin, IL $38 $29 ★ 4/5 145 min 14.3%
Presence Saint Joseph Hospital-Chicago Chicago, IL $38 $29 ★ 4/5 137 min 14.9%
John H Stroger Jr Hospital Chicago, IL $46 $13 ★ 2/5 280 min 15.0%
Provident Hospital of Chicago Chicago, IL $46 $13 222 min 15.5%
Salem Township Hospital Salem, IL $47 $24 ★ 4/5 149 min 14.9%
Saint Anthony Hospital Chicago, IL $64 $94 ★ 2/5 191 min 16.5%
Advocate Trinity Hospital Chicago, IL $75 $66 ★ 2/5 244 min 16.0%
Advocate Illinois Masonic Medical Center Chicago, IL $75 $66 ★ 3/5 236 min 16.2%
Advocate Condell Medical Center Libertyville, IL $75 $55 ★ 4/5 216 min 14.8%
Advocate Christ Hospital & Medical Center Oak Lawn, IL $75 $65 ★ 3/5 252 min 15.8%
Advocate Good Samaritan Hospital Downers Grove, IL $75 $66 ★ 4/5 189 min 14.9%
Advocate Good Shepherd Hospital Barrington, IL $75 $66 ★ 5/5 194 min 15.0%
Carle Health Methodist Hospital Peoria, IL $86 $28 ★ 2/5 220 min 14.7%
Trinity Rock Island Rock Island, IL $86 $27 ★ 3/5 172 min 15.4%
Advocate Sherman Hospital Elgin, IL $100 $50 ★ 4/5 194 min 15.4%
Advocate Lutheran General Hospital Park Ridge, IL $100 $68 ★ 4/5 220 min 14.1%
University of Illinois Hospital and Clinics Chicago, IL $101 $26 ★ 4/5 319 min 15.9%
Ann & Robert H Lurie Childrens Hospital of Chicago Chicago, IL $112 $128
Larabida Childrens Hospital I Chicago, IL $112 $128
Mc Donough District Hospital Macomb, IL $113 $167 ★ 3/5 152 min 15.1%
Carlinville Area Hospital Carlinville, IL $118 $134 ★ 2/5 124 min 15.0%

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)
$252
Cash / self-pay
$211
Insurer-negotiated
$66
Medicare pays
$26
$42$391
Median cash $211  ·  Medicare $26  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $211 — about 8.1× the Medicare rate ($26). High vs Medicare. A fair cash price is usually within ~2× Medicare ($52).

💡 Asking for the cash price instead of the $252 list price could save about $41 (16%).

Estimate what you’ll pay
Quick fill:

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

By city

Arterial blood gas (ABG) cost in other states

All Arterial blood gas (ABG) prices (national) → · All hospitals in Illinois →