Acetazolamide 500 mg solution for injection 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

not published by hospital

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.

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

not published by hospital

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.

$20.07 with BCBS vs $49.21 with Cigna — 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
BCBS Anthem Blue Preferred HMO/POS $20.07
BCBS Anthem Pathway Exchange $20.07
BCBS Anthem Blue Access Choice PPO $20.33
BCBS Anthem Blue Access PPO $31.93
Cigna OAP Other Commercial Plan $49.21

Visitor-reported prices

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Acetazolamide 500 mg solution for injection at other Missouri hospitals

Hospital City Cash price Negotiated range
Mercy Hospital Aurora Aurora $120.00 $25.59 – $28.82
Mercy Hospital Lincoln Troy $130.00 $34.27 – $34.27
Mercy Hospital Carthage Carthage $169.00 $21.62 – $25.59
Mercy Hospital Southeast Cape Girardeau $129.02 $29.29 – $29.29
Mercy Orthopedic Hospital Springfield Ozark $132.87 $21.62 – $52.16
SSM Health DePaul Hospital - St. Louis Bridgeton not published $20.07 – $49.21
SSM Health Saint Louis University Hospital Saint Louis not published $20.04 – $63.21
SSM Health St. Joseph Hospital- Wentzville Wentzville not published $20.07 – $49.21

All Missouri hospitals for this procedure →