Amniocentesis cost in Saint Louis, MO

Prices at 3 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $1,372 — 78% above the US median ($771), roughly 11.5× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Mercy Hospital St Louis 🍼 Saint Louis, MO $846 $781 ★ 4/5 220 min —
Missouri Baptist Medical Center 🍼 Saint Louis, MO $1,372 $1,472 ★ 5/5 262 min —
Mercy Hospital South 🍼 Saint Louis, MO $1,668 $1,103 ★ 2/5 254 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. 🍼 = CMS Birthing-Friendly hospital. 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)
$2,287
Cash / self-pay
$1,372
Insurer-negotiated
$1,103
Medicare pays
$120
$951$1,609
Median cash $1,372  ·  Medicare $120  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

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%).

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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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