Magnesium blood test cost in Missouri

Prices at 52 hospitals in Missouri, from their machine-readable files. Here the median cash price is $61 — 20% above the US median ($51), roughly 9.0× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Missouri Baptist Medical Center Saint Louis, MO $16 $16 ★ 5/5 262 min —
Missouri Baptist Sullivan Hospital Sullivan, MO $16 $16 ★ 2/5 175 min —
Mercy Hospital St Louis Saint Louis, MO $24 $9 ★ 4/5 220 min —
Mercy Hospital Jefferson Crystal City, MO $24 $9 ★ 4/5 202 min —
Western Missouri Medical Center Warrensburg, MO $28 — ★ 4/5 140 min —
Boone Hospital Center Columbia, MO $28 — ★ 4/5 175 min —
Mercy Hospital Joplin Joplin, MO $29 $11 ★ 1/5 226 min —
Mercy Hospital South Saint Louis, MO $29 $9 ★ 2/5 254 min —
St Louis Childrens Hospital Saint Louis, MO $31 $37 — — —
Cox Medical Center Branson Branson, MO $34 $7 ★ 4/5 218 min —
Mercy Hospital Perry Perryville, MO $34 $9 ★ 2/5 135 min —
The Children's Mercy Hospital Kansas City, MO $38 $51 — — —
Truman Medical Center Hospital Hill Kansas City, MO $38 $9 ★ 3/5 224 min —
University Health Lakewood Medical Center Kansas City, MO $38 $9 ★ 4/5 150 min —
Cox Medical Centers Springfield, MO $38 $7 ★ 3/5 219 min —
Excelsior Springs Hospital Excelsior Springs, MO $46 $28 — 99 min —
Cox Monett Hospital Monett, MO $46 $61 ★ 3/5 151 min —
Harrison County Community Hospital Bethany, MO $46 $41 ★ 3/5 109 min —
Parkland Health Center Farmington, MO $47 $52 ★ 4/5 202 min —
Parkland Health Center-Bonne Terre Bonne Terre, MO $47 $52 — — —
Cox Barton County Hospital Lamar, MO $48 $60 — 91 min —
Ste Genevieve County Memorial Hospital Sainte Genevieve, MO $50 $49 ★ 4/5 103 min —
Mercy Hospital Lebanon Lebanon, MO $59 $66 ★ 4/5 151 min —
Wright Memorial Hospital Trenton, MO $61 $74 ★ 4/5 136 min —
Hedrick Medical Center Chillicothe, MO $61 $32 ★ 4/5 124 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)
$101
Cash / self-pay
$61
Insurer-negotiated
$16
Medicare pays
$7
$24$165
Median cash $61  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $61 — about 9.0× 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 $101 list price could save about $40 (40%).

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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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Magnesium blood test cost in other states

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