Human epididymis protein 4 (he4) at MercyOne Waterloo Medical Center

3421 W. 9th St, Waterloo, IA · MercyOne · · NPI 1700827896

Source: hospital's published price file ↗ · Published Mar 31, 2026 · Ingested Aug 3, 2026

$202.15

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.

$311.00

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.

$20.17 with IOWA TOTAL CARE vs $282.00 with IOWA DEPT OF PUBLIC HEALTH — 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
IOWA TOTAL CARE IOWA TOTAL CARE MEDICAID $20.17 ↓ -90%
MOLINA MEDICAID MOLINA MEDICAID $20.36 ↓ -90%
MEDIGOLD MEDICARE ADVANTAGE MERCYONE HEALTH PLAN MEDICARE ADVANTAGE $20.39 ↓ -90%
AETNA MEDICARE ADVANTAGE AETNA MEDICARE ADVANTAGE $20.39 ↓ -90%
MEDICARE MEDICAL ASSOCIATES HEALTH PLANS MEDICAL ASSOCIATES MEDICARE ADVANTAGE $20.39 ↓ -90%
WELLPOINT MEDICAID WELLPOINT MEDICAID $20.44 ↓ -90%
BLUE CROSS - IA (WELLMARK) MEDICARE ADVANTAGE WELLMARK MEDICARE ADVANTAGE $20.60 ↓ -90%
UNITED HEALTHCARE MEDICARE UNITED HEALTHCARE MEDICARE ADVANTAGE $20.80 ↓ -90%
UNITED HEALTHCARE UNITED HEALTHCARE $20.81 ↓ -90%
GEHA UNITED HEALTHCARE $20.81 ↓ -90%
HEALTH PARTNERS MEDICARE ADVANTAGE UNITYPOINT HEALTH PARTNERS MEDICARE ADV $21.02 ↓ -90%
WELLPOINT MEDICARE ADVANTAGE WELLPOINT MEDICARE ADVANTAGE $21.23 ↓ -89%
AMISH HOSPITAL AID AMISH HOSPITAL AID $27.68 ↓ -86%
OSCAR OSCAR $31.94 ↓ -84%
CENTIVO CENTIVO $34.54 ↓ -83%
AMBETTER AMBETTER MARKETPLACE $34.96 ↓ -83%
NOVA CLAIMDOC $41.83 ↓ -79%
CLAIMDOC CLAIMDOC $41.83 ↓ -79%
AETNA DOMESTIC AETNA $56.61 ↓ -72%
COVENTRY AETNA $56.61 ↓ -72%
LUCENT HEALTH AETNA $56.61 ↓ -72%
LUMINARE HEALTH AETNA $56.61 ↓ -72%
MEDICAL MUTUAL AETNA $56.61 ↓ -72%
CHRISTIAN BROTHER SERVICES AETNA $56.61 ↓ -72%
MERITAIN AETNA $56.61 ↓ -72%
ASR HEALTH BENEFITS AETNA $56.61 ↓ -72%
AETNA AETNA $56.61 ↓ -72%
ALLIED BENEFIT SYSTEMS AETNA $56.61 ↓ -72%
WEBTPA AETNA $56.61 ↓ -72%
AETNA EAP AETNA $56.61 ↓ -72%
FIRST HEALTH AETNA $56.61 ↓ -72%
HEALTH CHOICES MEDICAL ASSOCIATES $66.27 ↓ -67%
MEDICAL ASSOCIATES MEDICAL ASSOCIATES $66.27 ↓ -67%
HEALTH PARTNERS HEALTH PARTNERS $184.99 ↓ -8%
AUXIANT MIDLANDS CHOICE PPO $200.22 ↓ -1%
MEDICA MIDLANDS CHOICE PPO $200.22 ↓ -1%
MIDLANDS MIDLANDS CHOICE PPO $200.22 ↓ -1%
CIGNA EAP MIDLANDS CHOICE PPO $200.22 ↓ -1%
MIDLANDS CHOICE MIDLANDS CHOICE PPO $200.22 ↓ -1%
CIGNA MIDLANDS CHOICE PPO $200.22 ↓ -1%
UNITED HEALTHCARE UNITED HEALTHCARE DEERE PREMIER $262.26 ↑ +30%
UNITED HEALTHCARE UHC OPTUM BEHAVIORAL HEALTH $282.00 ↑ +40%
IOWA DEPT OF PUBLIC HEALTH CARE FOR YOURSELF $282.00 ↑ +40%

Visitor-reported prices

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Human epididymis protein 4 (he4) at other Iowa hospitals

Hospital City Cash price Negotiated range
UnityPoint Health - Allen Hospital Waterloo $52.80 $12.49 – $32.39
MercyOne Genesis Davenport West Medical Center Davenport $231.00 $20.81 – $20.81
MercyOne Dubuque Medical Center Dubuque $183.30 $20.17 – $282.00
MercyOne Cedar Falls Medical Center Cedar Falls $192.40 $20.17 – $296.00
MercyOne West Des Moines Medical Center West Des Moines $282.00 $20.17 – $282.00
MercyOne Des Moines Medical Center Des Moines $183.30 $20.17 – $282.00
MercyOne North Iowa Medical Center Mason City $183.30 $20.17 – $282.00
MercyOne Genesis Davenport Medical Center Davenport $257.40 not published

All Iowa hospitals for this procedure →