Assay of idh enzyme at Houston Methodist West Hospital

18500 Katy Freeway, Houston, TX · Houstonmethodist · · NPI 1083937593

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

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

$8.85 with Cigna vs $109.20 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 $8.85
Aetna Medicare Managed Care - Hmo/Ppo $8.98
Unitedhealthcare Medicare Managed Care - Hmo $9.03
Molina Healthcare Advantage Medicare Managed Care Plan $9.29
Community Health Choice D-Snp Medicare Managed Care - Hmo $9.47
Procare Advantage Medicare Managed Care - Hmo $9.74
Community Health Choice Silver & Gold Exchange $14.43
Optum Health Transplant Medicare Managed Care Plan $17.26
Molina Healthcare Exchange $17.70
Uae All Commercial Plans $35.40
Bcbs All Commercial Plans $36.82
Cigna Network C-24 Hmo/Ppo $103.15
Cigna Local Plus/Surefit Hmo/Ppo $103.15
Cigna Pcp Optional/Pcp Required Benefit Plans Hmo $109.20

Visitor-reported prices

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Assay of idh enzyme at other Texas hospitals

Hospital City Cash price Negotiated range
HCA HOUSTON MEDICAL CENTER Houston not published $7.43 – $36.24
HCA HOUSTON WEST HOUSTON not published $7.28 – $36.24
HCA HOUSTON TOMBALL HOUSTON not published $7.43 – $36.24
Houston Methodist Willowbrook Hospital Houston not published $8.85 – $36.82
Houston Methodist Hospital Houston not published $8.85 – $36.82
BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM Brenham $13.12 $2.70 – $21.24
BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA Suite 110 $13.12 $7.43 – $21.24
BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION College Station $13.12 $7.95 – $21.24

All Texas hospitals for this procedure →