Prices at 3 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $1,372 — 81% above the US median ($759), roughly 11.5× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| Mercy Hospital St Louis 🍼 | Saint Louis, MO | $846 | $781 | ★ 4/5 | 217 min | 15.1% |
| Missouri Baptist Medical Center 🍼 | Saint Louis, MO | $1,372 | $1,472 | ★ 5/5 | 252 min | 14.8% |
| Mercy Hospital South 🍼 | Saint Louis, MO | $1,668 | $1,103 | ★ 2/5 | 246 min | 15.8% |
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. 🍼 = CMS Birthing-Friendly hospital. Data last updated August 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 $1,372 — about 11.5× the Medicare rate ($120). High vs Medicare. A fair cash price is usually within ~2× Medicare ($239).
💡 Asking for the cash price instead of the $2,287 list price could save about $915 (40%).
Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.
All Amniocentesis prices in Missouri → · All Amniocentesis prices (national) · All hospitals in Saint Louis