Potassium 24 hour urine at St. Luke's Health - Brazosport Hospital

100 Medical Drive, Lake Jackson, TX · CommonSpirit Health · · NPI 1972581940

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

$48.29

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.

$137.97

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.

$3.63 with United vs $110.93 with Wellpoint — 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
United Commercial|All Other Plans $3.63 ↓ -92%
TCHP Medicaid|All Other Plans $3.97 ↓ -92%
UNITED Medicaid|All Other Plans $3.97 ↓ -92%
CHC Medicaid|All Other Plans $4.17 ↓ -91%
SUPERIOR Medicaid|All Plans $4.17 ↓ -91%
BCBS Medicaid|All Plans $4.17 ↓ -91%
CHC Medicaid|CHIP $4.22 ↓ -91%
BCBS Medicare|All Plans $4.73 ↓ -90%
UNITED Medicare|All Plans $4.73 ↓ -90%
KELSEY Medicare|All Plans $4.73 ↓ -90%
CIGNA-HEALTHSPRING Medicare|All Plans $4.73 ↓ -90%
HUMANA Medicare|All Plans $4.73 ↓ -90%
SELECTCARE Medicare|All Plans $4.87 ↓ -90%
Wellpoint Medicare|All Plans $4.87 ↓ -90%
WellcareTP Medicare|All Plans $4.87 ↓ -90%
Community Health Choice Commercial|Exchange $4.97 ↓ -90%
SCANHealth Medicare|All Plans $5.06 ↓ -90%
Devoted Medicare|All Plans $5.06 ↓ -90%
UNITED Medicaid|STAR $5.32 ↓ -89%
TCHP Medicaid|STAR $5.32 ↓ -89%
CHC Medicaid|STAR $5.60 ↓ -88%
Ambetter Commercial|All Plans $6.86 ↓ -86%
Wellpoint Commercial|Exchange $7.10 ↓ -85%
Aetna Commercial|Exchange $7.28 ↓ -85%
United Commercial|Exchange $7.33 ↓ -85%
Bright Health Commercial|All Plans $7.80 ↓ -84%
BCBS-TX Commercial|Blue Advantage HMO $11.40 ↓ -76%
Humana Commercial|All Plans $11.82 ↓ -76%
UNITED Medicaid|STARPLUS $12.15 ↓ -75%
Entrust Commercial|All Plans $12.30 ↓ -75%
BCBS-TX Commercial|Blue Options $16.28 ↓ -66%
BCBS-TX Commercial|PPO-POS $16.56 ↓ -66%
BCBS-TX Commercial|HMO $16.89 ↓ -65%
BCBS-TX Commercial|Traditional $18.09 ↓ -63%
BCBS-TX Commercial|PPO $19.82 ↓ -59%
Cigna Commercial|All Plans $20.36 ↓ -58%
Aetna Medicare|All Plans $20.70 ↓ -57%
Health First Commercial|All Plans $68.99 ↑ +43%
Wellpoint Medicaid|All Other Plans $82.79 ↑ +71%
Wellpoint Medicaid|STAR $110.93 ↑ +130%

Visitor-reported prices

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Potassium 24 hour urine at other Texas hospitals

Hospital City Cash price Negotiated range
Adventhealth Rollins Brook Lampasas $112.65 $4.26 – $18.21
BAYLOR UNIVERSITY MEDICAL CENTER Dallas $58.91 $3.97 – $73.64
BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM Brenham $46.51 $6.93 – $69.77
BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA Suite 110 $58.31 $3.97 – $72.89
BAYLOR SCOTT & WHITE MEDICAL CENTER - CENTENNIAL Frisco $58.91 $3.97 – $73.64
BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION College Station $46.51 $4.25 – $69.77
BAYLOR SCOTT & WHITE CONTINUING CARE HOSPITAL Temple $46.51 $3.97 – $69.77
BAYLOR SCOTT & WHITE EMERGENCY MEDICAL CENTER - CEDAR PARK Cedar Park $58.31 $3.97 – $87.47

All Texas hospitals for this procedure →