Ammonia blood test cost in New Jersey

Prices at 41 hospitals in New Jersey, from their machine-readable files. Here the median cash price is $28 — 69% below the US median ($90), roughly 1.9× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
St Mary's General Hospital Passaic, NJ $14 $15 ★ 3/5 182 min —
Saint Clare's Hospital/ Denville Campus Denville, NJ $14 $15 ★ 2/5 166 min —
Saint Michael's Medical Center Newark, NJ $14 $15 ★ 4/5 169 min —
Newark Beth Israel Medical Center Newark, NJ $16 $8 ★ 2/5 176 min —
Clara Maass Medical Center Belleville, NJ $16 $8 ★ 3/5 142 min —
Robert Wood Johnson University Hospital at Rahway Rahway, NJ $16 $8 ★ 4/5 114 min —
Trinitas Regional Medical Center Elizabeth, NJ $16 $8 ★ 3/5 209 min —
Robert Wood Johnson University Hospital New Brunswick, NJ $16 $8 ★ 2/5 206 min —
Community Medical Center Toms River, NJ $16 $8 ★ 1/5 180 min —
Robert Wood Johnson University Hospital-Somerset Somerville, NJ $16 $8 ★ 3/5 188 min —
Jersey City Medical Center Jersey City, NJ $16 $8 ★ 3/5 187 min —
Monmouth Medical Center Long Branch, NJ $16 $8 ★ 3/5 136 min —
Cooperman Barnabas Medical Center Livingston, NJ $16 $8 ★ 3/5 129 min —
Monmouth Medical Center-Southern Campus Lakewood, NJ $16 $8 ★ 3/5 141 min —
Robert Wood Johnson University Hospital at Hamilton Hamilton, NJ $16 $8 ★ 4/5 172 min —
Shore Medical Center Somers Point, NJ $17 $15 ★ 3/5 148 min —
Hackensack Meridian Mountainside Medical Montclair, NJ $17 $204 ★ 4/5 229 min —
Jefferson Stratford Hospital Stratford, NJ $17 $15 ★ 2/5 215 min —
Centrastate Medical Center Freehold, NJ $17 $16 ★ 4/5 219 min —
The University Hospital Newark, NJ $17 $135 ★ 1/5 307 min —
Valley Hospital Paramus, NJ $28 $27 ★ 4/5 227 min —
Newton Medical Center Newton, NJ $41 $16 ★ 4/5 168 min —
Carewell Health Medical Center East Orange, NJ $43 $15 ★ 1/5 176 min —
Virtua Our Lady of Lourdes Hospital Camden, NJ $48 — ★ 2/5 168 min —
Virtua Willingboro Hospital Willingboro, NJ $48 — ★ 3/5 178 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)
$183
Cash / self-pay
$28
Insurer-negotiated
$15
Medicare pays
$15
$16$182
Median cash $28  ·  Medicare $15  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $28 — about 1.9× the Medicare rate ($15). Reasonable. A fair cash price is usually within ~2× Medicare ($29).

💡 Asking for the cash price instead of the $183 list price could save about $154 (85%).

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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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