Magnesium blood test cost in California

Prices at 174 hospitals in California, from their machine-readable files. Here the median cash price is $68 — 34% above the US median ($51), roughly 10.1× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
St Joseph's Medical Center of Stockton Stockton, CA $11 $7 ★ 3/5 225 min —
UCI Health-Los Alamitos Los Alamitos, CA $11 $9 ★ 1/5 238 min —
Fresno Surgical Hospital Fresno, CA $12 $7 — — —
University of California Davis Medical Center Sacramento, CA $13 $10 ★ 4/5 328 min —
Banner Lassen Medical Center Susanville, CA $13 $20 ★ 3/5 116 min —
St Joseph's Behavioral Health Center Stockton, CA $14 $12 — — —
Contra Costa Regional Medical Center Martinez, CA $16 — ★ 4/5 171 min —
San Gorgonio Memorial Hospital Banning, CA $16 $7 ★ 3/5 194 min —
Scripps Mercy Hospital San Diego, CA $16 $11 ★ 4/5 194 min —
Scripps Memorial Hospital La Jolla La Jolla, CA $16 $11 ★ 5/5 186 min —
Scripps Green Hospital La Jolla, CA $16 $11 ★ 5/5 — —
Scripps Memorial Hospital-Encinitas Encinitas, CA $16 $11 ★ 4/5 200 min —
Cedars-Sinai Medical Center Los Angeles, CA $16 $13,270 ★ 5/5 355 min —
Community Memorial Hospital-Ojai Ojai, CA $18 $24 — 114 min —
College Medical Center Long Beach, CA $18 $7 ★ 3/5 322 min —
College Hospital Cerritos, CA $18 $7 — — —
Glendora Hospital Glendora, CA $18 $7 — — —
Sharp Memorial Hospital San Diego, CA $19 $25 ★ 4/5 197 min —
Sharp Chula Vista Medical Center Chula Vista, CA $19 $25 ★ 4/5 194 min —
Sharp Coronado Hospital and Hlthcr Ctr Coronado, CA $19 $24 ★ 4/5 126 min —
Sharp Mesa Vista Hospital San Diego, CA $19 $25 — — —
Mercy Medical Center Redding Redding, CA $19 — ★ 2/5 194 min —
UCI Health-Orange Orange, CA $21 $9 ★ 4/5 318 min —
UCI Health-Fountain Valley Fountain Valley, CA $21 $9 ★ 2/5 158 min —
Emanuel Medical Center Turlock, CA $22 — ★ 2/5 190 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)
$138
Cash / self-pay
$68
Insurer-negotiated
$7
Medicare pays
$7
$7$219
Median cash $68  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $68 — about 10.1× the Medicare rate ($7). High vs Medicare. A fair cash price is usually within ~2× Medicare ($13).

💡 Asking for the cash price instead of the $138 list price could save about $71 (51%).

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

Magnesium blood test cost in other states

All Magnesium blood test prices (national) → · All hospitals in California →