Heparin assay at St. Luke's Health - Lakeside Hospital

17400 St Lukes Way, The Woodlands, TX · CommonSpirit Health · · NPI 1184868879

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$130.20

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.

$372.00

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.

$9.42 with Renaissance vs $372.00 with MHealth Network — 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
Renaissance Commercial|All Plans $9.42 ↓ -93%
Wellpoint Medicaid|STARKIDS $11.00 ↓ -92%
TCHP Medicaid|STARKIDS $11.00 ↓ -92%
TCHP Medicaid|Lakeside $11.00 ↓ -92%
Wellpoint Medicaid|All Other Plans $11.00 ↓ -92%
Wellpoint Medicaid|CHIP $11.00 ↓ -92%
UHC Medicaid|STARKIDS $11.22 ↓ -91%
UHC Medicaid|CHIP $11.22 ↓ -91%
UNITED Medicaid|All Other Plans $11.22 ↓ -91%
BCBS Medicaid|All Plans $11.55 ↓ -91%
CHC Medicaid|All Other Plans $12.65 ↓ -90%
HUMANA Medicare|TRANSPLANT $13.09 ↓ -90%
SELECTCARE Medicare|All Plans $13.09 ↓ -90%
KELSEY Medicare|All Plans $13.09 ↓ -90%
BCBS Medicare|All Plans $13.09 ↓ -90%
CIGNA HEALTHSPRING Medicare|HMO $13.09 ↓ -90%
HUMANA Medicare|All Other Plans $13.09 ↓ -90%
CIGNA HEALTHSPRING Medicare|PPO $13.22 ↓ -90%
UHC-SecureHorizons Medicare|All Plans $13.35 ↓ -90%
AETNA Medicare|All Plans $13.35 ↓ -90%
Amerivantage Medicare|All Plans $13.48 ↓ -90%
SCANHealth Medicare|All Plans $14.01 ↓ -89%
DEVOTED Medicare|All Plans $14.01 ↓ -89%
KINDRED Medicare|All Plans $14.40 ↓ -89%
Wellpoint Medicaid|STAR $14.74 ↓ -89%
TCHP Medicaid|STAR $14.74 ↓ -89%
UNITED Medicaid|STAR $15.07 ↓ -88%
CHC Medicaid|STAR $16.94 ↓ -87%
KelseyCare Commercial|Exchange $17.67 ↓ -86%
BCBS - TX Commercial|MyBlue Health Exchange $19.11 ↓ -85%
Community Health Choice Commercial|All Other Plans $19.64 ↓ -85%
Wellpoint Commercial|Exchange $19.64 ↓ -85%
Ambetter Commercial|All Plans $19.64 ↓ -85%
Community Health Choice Commercial|Exchange $19.64 ↓ -85%
Harris Health Commercial|ERS $19.64 ↓ -85%
Aetna Commercial|Exchange $20.16 ↓ -85%
Bright Health Commercial|All Plans $21.60 ↓ -83%
United Commercial|PPO $24.24 ↓ -81%
United Commercial|HMO $24.24 ↓ -81%
United Commercial|Charter $24.24 ↓ -81%
United Commercial|Exchange $24.24 ↓ -81%
BCBS-TX Commercial|Exchange $24.87 ↓ -81%
Cigna Commercial|Surefit $31.39 ↓ -76%
UNITED Medicaid|STARPLUS $34.32 ↓ -74%
UHC Medicaid|STARPLUS $34.32 ↓ -74%
Cigna Commercial|HMO $34.64 ↓ -73%
NX Health Commercial|PPO $42.54 ↓ -67%
BCBS-TX Commercial|Blue Premier $42.67 ↓ -67%
Cigna Commercial|PPO $47.36 ↓ -64%
BCBS-TX Commercial|HMO $57.33 ↓ -56%
BCBS-TX Commercial|PPO $67.15 ↓ -48%
OPTUM Medicare|All Plans $100.44 ↓ -23%
TCHPCHIP Medicaid|HMO $130.20 ↑ +0%
OPTUM Medicaid|STAR $134.59 ↑ +3%
United Commercial|Optum $174.84 ↑ +34%
CHC Medicaid|CHIP $204.60 ↑ +57%
CHC Medicaid|HMO $204.60 ↑ +57%
TEXASTRUECHOICE Medicaid|CHIP $204.60 ↑ +57%
Cigna Lifesource Commercial|Transplant $223.20 ↑ +71%
Humana Commercial|Transplant $241.80 ↑ +86%
Coventry Commercial|PPO $241.80 ↑ +86%
First Health Commercial|All Plans $241.80 ↑ +86%
Aetna Commercial|HMO $252.96 ↑ +94%
Interlink Commercial|Transplant $260.40 ↑ +100%
Cigna Commercial|Transplant $260.40 ↑ +100%
Healthsmart Commercial|PPO $260.40 ↑ +100%
MultiPlan Commercial|All Plans $279.00 ↑ +114%
OPTUM Medicaid|STARPLUS $307.35 ↑ +136%
USA Health Network Commercial|All Plans $316.20 ↑ +143%
MHealth Network Commercial|PPO $372.00 ↑ +186%

Visitor-reported prices

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Heparin assay at other Texas hospitals

Hospital City Cash price Negotiated range
Adventhealth Rollins Brook Lampasas $292.44 $11.78 – $50.40
BAYLOR UNIVERSITY MEDICAL CENTER Dallas $205.45 $10.00 – $79.24
BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM Brenham $199.33 $12.00 – $95.08
BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA Suite 110 $167.41 $11.00 – $79.24
BAYLOR SCOTT & WHITE MEDICAL CENTER - CENTENNIAL Frisco $205.45 $10.00 – $79.24
BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION College Station $199.33 $11.77 – $95.08
BAYLOR SCOTT & WHITE CONTINUING CARE HOSPITAL Temple $199.33 $8.00 – $95.08
BAYLOR SCOTT & WHITE EMERGENCY MEDICAL CENTER - CEDAR PARK Cedar Park $167.41 $11.00 – $95.08

All Texas hospitals for this procedure →