Creatine kinase isoenzymes at SSM Health Saint Louis University Hospital

1201 S Grand Blvd, Saint Louis, MO · SSM Health · · NPI 1942685920

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

$109.45

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.

$199.00

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.

$13.12 with BCBS vs $28.60 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
BCBS Anthem Medicare Managed Care Plan $13.12 ↓ -88%
UnitedHealthCare Non-PPO Other Commercial Plan $13.39 ↓ -88%
Oscar Exchange $13.39 ↓ -88%
UnitedHealthCare Options PPO $13.39 ↓ -88%
Centene Wellcare Medicare Managed Care - PPO $13.52 ↓ -88%
Humana Medicare Managed Care Plan $13.62 ↓ -88%
Aetna Advantra Medicare Managed Care Plan $13.66 ↓ -88%
Essence Medicare Managed Care Plan $13.79 ↓ -87%
UnitedHealthCare Employee $16.07 ↓ -85%
BCBS Anthem Pathway Exchange $21.86 ↓ -80%
BCBS Anthem Blue Preferred HMO/POS $22.33 ↓ -80%
BCBS Anthem Blue Access Choice All Commercial Plans $22.33 ↓ -80%
Cigna All Commercial Plans $22.87 ↓ -79%
BCBS Anthem Blue Access PPO $24.07 ↓ -78%
Healthlink HMO $28.60 ↓ -74%

Visitor-reported prices

visitor-reported
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Creatine kinase isoenzymes at other Missouri hospitals

Hospital City Cash price Negotiated range
SSM Health Cardinal Glennon Children's Hospital Saint Louis $36.85 $13.39 – $26.34
SSM Health St. Joseph Hospital - Lake Saint Louis Lake Saint Louis $27.50 $13.39 – $55.21
SSM Health DePaul Hospital - St. Louis Bridgeton $27.50 $13.39 – $55.21
SSM Health St. Joseph Hospital- Wentzville Wentzville $27.50 $13.39 – $55.21
SSM Health St. Joseph Hospital - St. Charles Saint Charles $27.50 $13.39 – $55.21
SSM Health St. Mary's Hospital - St. Louis Richmond Heights $27.50 $13.39 – $55.21
SSM Health St. Mary's Hospital - Jefferson City Jefferson City $217.80 $12.05 – $24.10
Mercy Hospital Aurora Aurora $76.70 $13.39 – $18.56

All Missouri hospitals for this procedure →