Aldosterone test cost in Saint Louis, MO

Prices at 6 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $153 — 7% above the US median ($143), roughly 3.8× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Missouri Baptist Medical Center Saint Louis, MO $118 $97 ★ 5/5 262 min —
Christian Hospital Northeast Saint Louis, MO $118 $108 ★ 4/5 217 min —
Mercy Hospital South Saint Louis, MO $150 $54 ★ 2/5 254 min —
St Louis Childrens Hospital Saint Louis, MO $156 $184 — — —
Mercy Hospital St Louis Saint Louis, MO $187 $54 ★ 4/5 220 min —
Shriners Hospitals for Children Saint Louis, MO $413 $52 — — —

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)
$246
Cash / self-pay
$153
Insurer-negotiated
$76
Medicare pays
$41
$118$300
Median cash $153  ·  Medicare $41  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $153 — about 3.8× the Medicare rate ($41). High vs Medicare. A fair cash price is usually within ~2× Medicare ($82).

💡 Asking for the cash price instead of the $246 list price could save about $92 (38%).

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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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