Prices at 52 hospitals in Missouri, from their machine-readable files. Here the median cash price is $61 — 18% above the US median ($51), roughly 9.0× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| Missouri Baptist Medical Center | Saint Louis, MO | $16 | $16 | ★ 5/5 | 252 min | 14.8% |
| Missouri Baptist Sullivan Hospital | Sullivan, MO | $16 | $16 | ★ 2/5 | 171 min | 16.5% |
| Mercy Hospital St Louis | Saint Louis, MO | $24 | $9 | ★ 4/5 | 217 min | 15.1% |
| Mercy Hospital Jefferson | Crystal City, MO | $24 | $9 | ★ 4/5 | 199 min | 14.9% |
| Western Missouri Medical Center | Warrensburg, MO | $28 | — | ★ 4/5 | 147 min | 14.6% |
| Boone Hospital Center | Columbia, MO | $28 | — | ★ 4/5 | 176 min | 13.6% |
| Mercy Hospital Joplin | Joplin, MO | $29 | $11 | ★ 1/5 | 228 min | 15.3% |
| Mercy Hospital South | Saint Louis, MO | $29 | $9 | ★ 2/5 | 246 min | 15.8% |
| St Louis Childrens Hospital | Saint Louis, MO | $31 | $37 | — | — | — |
| Cox Medical Center Branson | Branson, MO | $34 | $7 | ★ 4/5 | 209 min | 13.7% |
| Mercy Hospital Perry | Perryville, MO | $34 | $9 | ★ 2/5 | 140 min | 15.2% |
| Harrison County Community Hospital | Bethany, MO | $36 | $41 | ★ 3/5 | 109 min | 15.5% |
| The Children's Mercy Hospital | Kansas City, MO | $38 | $51 | — | — | — |
| Truman Medical Center Hospital Hill | Kansas City, MO | $38 | $9 | ★ 3/5 | 191 min | 15.7% |
| University Health Lakewood Medical Center | Kansas City, MO | $38 | $9 | ★ 4/5 | 145 min | 14.4% |
| Cox Medical Centers | Springfield, MO | $38 | $7 | ★ 3/5 | 223 min | 14.2% |
| Excelsior Springs Hospital | Excelsior Springs, MO | $46 | $28 | — | 94 min | 15.3% |
| Cox Monett Hospital | Monett, MO | $46 | $61 | ★ 3/5 | 152 min | 15.1% |
| Parkland Health Center | Farmington, MO | $47 | $52 | ★ 4/5 | 201 min | 15.3% |
| Parkland Health Center-Bonne Terre | Bonne Terre, MO | $47 | $52 | — | — | — |
| Cox Barton County Hospital | Lamar, MO | $48 | $60 | — | 86 min | 14.8% |
| Ste Genevieve County Memorial Hospital | Sainte Genevieve, MO | $50 | $49 | ★ 4/5 | 111 min | 14.5% |
| Mercy Hospital Lebanon | Lebanon, MO | $59 | $66 | ★ 4/5 | 148 min | 14.7% |
| Wright Memorial Hospital | Trenton, MO | $61 | $74 | ★ 4/5 | 136 min | 14.2% |
| Hedrick Medical Center | Chillicothe, MO | $61 | $32 | ★ 4/5 | 127 min | 14.9% |
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 June 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)
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%).
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 Missouri →