Prolactin 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 $93 — 14% below the US median ($107), roughly 4.8× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Missouri Baptist Medical Center Saint Louis, MO $47 $46 ★ 5/5 262 min
Mercy Hospital St Louis Saint Louis, MO $70 $26 ★ 4/5 220 min
Christian Hospital Northeast Saint Louis, MO $89 $72 ★ 4/5 217 min
Mercy Hospital South Saint Louis, MO $96 $26 ★ 2/5 254 min
Shriners Hospitals for Children Saint Louis, MO $194 $25
St Louis Childrens Hospital Saint Louis, MO $270 $318

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 September 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)
$148
Cash / self-pay
$93
Insurer-negotiated
$36
Medicare pays
$19
$58$232
Median cash $93  ·  Medicare $19  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $93 — about 4.8× the Medicare rate ($19). High vs Medicare. A fair cash price is usually within ~2× Medicare ($39).

💡 Asking for the cash price instead of the $148 list price could save about $56 (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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