HIV test (antibody) cost in Saint Louis, MO

Prices at 3 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $143 — 79% above the US median ($80), roughly 10.4× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Mercy Hospital St Louis Saint Louis, MO $121 $18 ★ 4/5 220 min —
Shriners Hospitals for Children Saint Louis, MO $143 $17 — — —
Mercy Hospital South Saint Louis, MO $198 $18 ★ 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. 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)
$186
Cash / self-pay
$143
Insurer-negotiated
$18
Medicare pays
$14
$125$187
Median cash $143  ·  Medicare $14  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $143 — about 10.4× the Medicare rate ($14). High vs Medicare. A fair cash price is usually within ~2× Medicare ($27).

💡 Asking for the cash price instead of the $186 list price could save about $43 (23%).

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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.

All HIV test (antibody) prices in Missouri → · All HIV test (antibody) prices (national) · All hospitals in Saint Louis