Mayo fibrinogen antigen at Houston Methodist Willowbrook Hospital

18220 Tomball Parkway, Houston, TX · Houstonmethodist · · NPI 1871619254

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 17, 2026

$47.50

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.

$95.00

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.

$14.46 with Cigna vs $104.92 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
Cigna Texas Healthspring Medicare Managed Care - Hmo/Ppo $14.46 ↓ -70%
Aetna Medicare Managed Care - Hmo/Ppo $14.68 ↓ -69%
Unitedhealthcare Medicare Managed Care - Hmo $14.75 ↓ -69%
Molina Healthcare Advantage Medicare Managed Care Plan $15.18 ↓ -68%
Community Health Choice D-Snp Medicare Managed Care - Hmo $15.47 ↓ -67%
Procare Advantage Medicare Managed Care - Hmo $15.91 ↓ -67%
Community Health Choice Silver & Gold Exchange $23.57 ↓ -50%
Optum Health Transplant Medicare Managed Care Plan $28.20 ↓ -41%
Molina Healthcare Exchange $28.92 ↓ -39%
Bcbs All Commercial Plans $60.15 ↑ +27%
Cigna Network C-24 Hmo/Ppo $99.11 ↑ +109%
Cigna Local Plus/Surefit Hmo/Ppo $99.11 ↑ +109%
Cigna Pcp Optional/Pcp Required Benefit Plans Hmo $104.92 ↑ +121%

Visitor-reported prices

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Mayo fibrinogen antigen at other Texas hospitals

Hospital City Cash price Negotiated range
Baylor St Luke's Medical Center Houston $4.90 $3.78 – $45.50
St. Luke's Health - The Vintage Hospital Houston $4.90 $3.78 – $45.50
Houston Methodist Hospital Houston $47.50 $14.46 – $60.15
Houston Methodist West Hospital Houston $47.50 $14.46 – $60.15
HCA HOUSTON MEDICAL CENTER Houston not published $12.15 – $59.93
HCA HOUSTON WEST HOUSTON not published $11.91 – $59.93
HCA HOUSTON TOMBALL HOUSTON not published $12.15 – $59.93
BAYLOR UNIVERSITY MEDICAL CENTER Dallas $126.67 $10.00 – $57.87

All Texas hospitals for this procedure →