PET scan cost in Saint Louis, MO

Prices at 5 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $3,896 — 14% below the US median ($4,514).

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Mercy Hospital South Saint Louis, MO $2,982 $1,578 ★ 2/5 246 min 15.8%
St Louis Childrens Hospital Saint Louis, MO $3,397 $4,232
Christian Hospital Northeast Saint Louis, MO $3,896 $3,198 ★ 4/5 223 min 14.7%
Missouri Baptist Medical Center Saint Louis, MO $4,396 $4,018 ★ 5/5 252 min 14.8%
Mercy Hospital St Louis Saint Louis, MO $4,796 $1,863 ★ 4/5 217 min 15.1%

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)

Chargemaster (list price)
$6,494
Cash / self-pay
$3,896
Insurer-negotiated
$3,198
$3,148$4,636
Median cash $3,896  ·  bar = typical cash range (10th–90th percentile)
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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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