Magnesium blood test cost in New Jersey

Prices at 41 hospitals in New Jersey, from their machine-readable files. Here the median cash price is $13 — 75% below the US median ($51), roughly 1.9× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
St Mary's General Hospital Passaic, NJ $6 $7 ★ 3/5 182 min —
Saint Clare's Hospital/ Denville Campus Denville, NJ $6 $7 ★ 2/5 166 min —
Saint Michael's Medical Center Newark, NJ $6 $7 ★ 4/5 169 min —
Newark Beth Israel Medical Center Newark, NJ $7 $4 ★ 2/5 176 min —
Clara Maass Medical Center Belleville, NJ $7 $4 ★ 3/5 142 min —
Robert Wood Johnson University Hospital at Rahway Rahway, NJ $7 $4 ★ 4/5 114 min —
Trinitas Regional Medical Center Elizabeth, NJ $7 $4 ★ 3/5 209 min —
Robert Wood Johnson University Hospital New Brunswick, NJ $7 $4 ★ 2/5 206 min —
Community Medical Center Toms River, NJ $7 $4 ★ 1/5 180 min —
Robert Wood Johnson University Hospital-Somerset Somerville, NJ $7 $4 ★ 3/5 188 min —
Jersey City Medical Center Jersey City, NJ $7 $4 ★ 3/5 187 min —
Monmouth Medical Center Long Branch, NJ $7 $4 ★ 3/5 136 min —
Cooperman Barnabas Medical Center Livingston, NJ $7 $4 ★ 3/5 129 min —
Monmouth Medical Center-Southern Campus Lakewood, NJ $7 $4 ★ 3/5 141 min —
Robert Wood Johnson University Hospital at Hamilton Hamilton, NJ $7 $4 ★ 4/5 172 min —
Shore Medical Center Somers Point, NJ $8 $7 ★ 3/5 148 min —
Hackensack Meridian Mountainside Medical Montclair, NJ $8 $97 ★ 4/5 229 min —
Jefferson Stratford Hospital Stratford, NJ $8 $7 ★ 2/5 215 min —
Centrastate Medical Center Freehold, NJ $8 $8 ★ 4/5 219 min —
The University Hospital Newark, NJ $8 $50 ★ 1/5 307 min —
Virtua Our Lady of Lourdes Hospital Camden, NJ $13 — ★ 2/5 168 min —
Virtua Willingboro Hospital Willingboro, NJ $13 — ★ 3/5 178 min —
Inspira Medical Center Vineland Vineland, NJ $23 $7 ★ 3/5 201 min —
Inspira Medical Center Mullica Hill Elmer, NJ $23 $7 ★ 3/5 187 min —
Carewell Health Medical Center East Orange, NJ $25 $7 ★ 1/5 176 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)
$107
Cash / self-pay
$13
Insurer-negotiated
$7
Medicare pays
$7
$7$166
Median cash $13  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $13 — about 1.9× the Medicare rate ($7). Reasonable. A fair cash price is usually within ~2× Medicare ($13).

💡 Asking for the cash price instead of the $107 list price could save about $94 (88%).

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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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