Fetal fibronectin at SSM Health St. Joseph Hospital - Lake Saint Louis

100 Medical Plaza, Lake Saint Louis, MO · SSM Health · · NPI 1871665380

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 10, 2026

$282.15

Cash price

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Discounted cash price

What a hospital charges a self-pay patient who pays directly, without going through insurance — usually well below the gross charge.

Example: A CT scan has a $3,200 gross charge but an $850 discounted cash price. Ask for it by name when scheduling — hospitals don't always advertise it up front.

Full explanation →

What you pay up front if you don't use insurance.

$513.00

Gross charge

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Gross charge (chargemaster price)

The hospital's full, undiscounted list price — pulled from its internal "chargemaster" price list. Almost no one actually pays this.

Example: A chest X-ray has a gross charge of $1,450. The same hospital's discounted cash price for the same X-ray is $180 — the gross charge mostly anchors negotiations, not what patients pay.

Full explanation →

The hospital's undiscounted list price — almost no one pays this.

$64.41 with UnitedHealthCare vs $265.60 with Healthlink — same scan, same building. Share

Negotiated rates by payer
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Negotiated rate

The price a specific insurance plan agreed to pay the hospital for a service — it varies by insurer, and even by plan within the same insurer.

Example: The same knee MRI has a negotiated rate of $904 with one insurer's PPO plan and $1,509 with another's — identical hospital, identical scan.

Full explanation →

Payer
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Payer

The insurance company footing the bill — Aetna, UnitedHealthcare, Medicare, and so on.

Example: "Blue Cross Blue Shield" is the payer. Its negotiated rate for an MRI might be $904, while a different payer's negotiated rate for the same scan is $1,509.

Full explanation →
Plan
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Plan

The specific product an insurer sells — e.g. "Blue Cross PPO 500" — which sets your deductible, coinsurance and negotiated rates.

Example: Two people both insured by Aetna can owe very different amounts for the same MRI: $50 with an HMO plan's flat copay, or the full $1,200 toward a high-deductible PPO plan's unmet deductible.

Full explanation →
Negotiated rate vs. cash
UnitedHealthCare Options PPO $64.41 ↓ -77%
Oscar Exchange $64.41 ↓ -77%
UnitedHealthCare St. Louis University Employee $64.41 ↓ -77%
UnitedHealthCare All Commercial Plans $64.41 ↓ -77%
Aetna Gold Advantage Medicare Managed Care Plan $65.05 ↓ -77%
UnitedHealthCare Medicare Managed Care Plan $65.36 ↓ -77%
BCBS Anthem Medicare Managed Care Plan $65.38 ↓ -77%
Humana Medicare Managed Care Plan $65.50 ↓ -77%
Aetna Advantra Medicare Managed Care Plan $66.66 ↓ -76%
BCBS Anthem Pathway Exchange $91.53 ↓ -68%
BCBS Anthem Blue Access Choice PPO $94.06 ↓ -67%
BCBS Anthem Blue Preferred HMO/POS $94.50 ↓ -67%
BCBS Anthem Blue Access PPO $101.93 ↓ -64%
Cigna OAP Other Commercial Plan $108.62 ↓ -62%
Healthlink HMO $265.60 ↓ -6%
Healthlink Employers Choice All Commercial Plans $265.60 ↓ -6%

Visitor-reported prices

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Fetal fibronectin at other Missouri hospitals

Hospital City Cash price Negotiated range
SSM Health DePaul Hospital - St. Louis Bridgeton $282.15 $64.41 – $265.60
SSM Health St. Joseph Hospital- Wentzville Wentzville $282.15 $64.41 – $265.60
SSM Health St. Joseph Hospital - St. Charles Saint Charles $282.15 $64.41 – $265.60
SSM Health St. Mary's Hospital - St. Louis Richmond Heights $282.15 $64.41 – $265.60
SSM Health St. Mary's Hospital - Jefferson City Jefferson City $333.85 $57.97 – $115.94
Mercy Hospital Aurora Aurora $408.20 $64.41 – $89.27
Mercy Hospital Lincoln Troy $430.95 $56.97 – $144.92
Mercy Hospital Carthage Carthage $405.60 $57.29 – $238.51

All Missouri hospitals for this procedure →