Ammonia blood test cost in Illinois

Prices at 89 hospitals in Illinois, from their machine-readable files. Here the median cash price is $116 — 29% above the US median ($90), roughly 8.0× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
University of Illinois Hospital and Clinics Chicago, IL $22 $15 ★ 4/5 298 min —
John H Stroger Jr Hospital Chicago, IL $26 $14 ★ 2/5 293 min —
Provident Hospital of Chicago Chicago, IL $26 $14 — 190 min —
Mason District Hospital Havana, IL $35 $35 — 104 min —
Saint Anthony Hospital Chicago, IL $35 $53 ★ 2/5 181 min —
Saint Joseph Medical Center Joliet, IL $45 $16 ★ 1/5 197 min —
Presence St Marys Hospital Kankakee, IL $45 $16 ★ 4/5 137 min —
Presence Mercy Medical Center Aurora, IL $45 $16 ★ 3/5 189 min —
Presence Saints Mary and Elizabeth Medical Center Chicago, IL $45 $16 ★ 3/5 192 min —
Saint Joseph Hospital-Elgin Elgin, IL $45 $16 ★ 4/5 139 min —
Presence Saint Joseph Hospital-Chicago Chicago, IL $45 $16 ★ 4/5 146 min —
Riverside Medical Center Kankakee, IL $48 $15 ★ 4/5 167 min —
Hopedale Hospital Hopedale, IL $59 $16 — 130 min —
Carle Foundation Hospital Urbana, IL $61 $18 ★ 2/5 214 min —
Alton Memorial Hospital Alton, IL $62 $61 ★ 4/5 196 min —
Carle Hoopeston Regional Health Center Hoopeston, IL $63 $42 — — —
Mc Donough District Hospital Macomb, IL $64 $89 ★ 3/5 145 min —
Carle Health Methodist Hospital Peoria, IL $64 $19 ★ 2/5 213 min —
Trinity Rock Island Rock Island, IL $64 $15 ★ 3/5 172 min —
OSF Saint Luke Medical Center Kewanee, IL $71 — ★ 4/5 107 min —
Carle Bromenn Medical Center Normal, IL $73 $15 ★ 3/5 196 min —
Sparta Community Hospital Sparta, IL $74 $51 ★ 3/5 — —
OSF Holy Family Medical Center Monmouth, IL $76 — ★ 4/5 122 min —
Midwest Medical Center Galena, IL $80 $71 — — —
West Suburban Medical Center Oak Park, IL $89 $15 ★ 1/5 272 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)
$180
Cash / self-pay
$116
Insurer-negotiated
$45
Medicare pays
$15
$45$273
Median cash $116  ·  Medicare $15  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $116 — about 8.0× the Medicare rate ($15). High vs Medicare. A fair cash price is usually within ~2× Medicare ($29).

💡 Asking for the cash price instead of the $180 list price could save about $64 (36%).

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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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