Phosphorus 24 hour urine at Baylor St Luke's Medical Center

1101 Bates Avenue, Houston, TX · CommonSpirit Health · · NPI 1184622847

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

$29.75

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.

$85.00

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.

$4.16 with Renaissance vs $85.00 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 $4.16 ↓ -86%
Wellpoint Medicaid|CHIP $4.86 ↓ -84%
TCHP Medicaid|STARKIDS $4.86 ↓ -84%
TCHP Medicaid|All Other Plans $4.86 ↓ -84%
Wellpoint Medicaid|STARKIDS $4.86 ↓ -84%
Wellpoint Medicaid|All Other Plans $4.86 ↓ -84%
UHC Medicaid|STARKIDS $4.96 ↓ -83%
UNITED Medicaid|All Other Plans $4.96 ↓ -83%
UHC Medicaid|CHIP $4.96 ↓ -83%
BCBS Medicaid|All Plans $5.10 ↓ -83%
CHC Medicaid|All Other Plans $5.59 ↓ -81%
Humana Medicare|TRANSPLANT $5.78 ↓ -81%
CIGNA HEALTHSPRING Medicare|HMO $5.78 ↓ -81%
AETNA Medicare|TRANSPLANT $5.78 ↓ -81%
KELSEY Medicare|All Plans $5.78 ↓ -81%
BCBS Medicare|All Plans $5.78 ↓ -81%
Humana Medicare|All Other Plans $5.78 ↓ -81%
CIGNA HEALTHSPRING Medicare|PPO $5.84 ↓ -80%
AETNA Medicare|All Other Plans $5.90 ↓ -80%
UHC-SecureHorizons Medicare|All Plans $5.90 ↓ -80%
Amerivantage Medicare|All Plans $5.95 ↓ -80%
SELECTCARE Medicare|All Plans $6.07 ↓ -80%
SCANHealth Medicare|All Plans $6.18 ↓ -79%
DEVOTED Medicare|All Plans $6.18 ↓ -79%
TCHP Medicaid|STAR $6.51 ↓ -78%
Wellpoint Medicaid|STAR $6.51 ↓ -78%
UNITED Medicaid|STAR $6.66 ↓ -78%
KINDRED Medicare|All Plans $6.94 ↓ -77%
BCBS - TX Commercial|MyBlue Health Exchange $6.94 ↓ -77%
CHC Medicaid|STAR $7.48 ↓ -75%
KelseyCare Commercial|Exchange $7.80 ↓ -74%
BCBS - TX Commercial|Blue Advantage Exchange $8.03 ↓ -73%
Employer Direct Commercial|PPO $8.09 ↓ -73%
Harris Health Commercial|ERS $8.67 ↓ -71%
Superior Health Plan Commercial|All Plans $8.67 ↓ -71%
Community Health Choice Commercial|All Other Plans $8.67 ↓ -71%
Community Health Choice Commercial|Exchange $8.67 ↓ -71%
Wellpoint Commercial|Exchange $8.67 ↓ -71%
Aetna Commercial|Exchange $8.90 ↓ -70%
Bright Health Commercial|All Plans $9.54 ↓ -68%
United Commercial|Exchange $9.59 ↓ -68%
United Commercial|PPO $9.59 ↓ -68%
United Commercial|HMO $9.59 ↓ -68%
United Commercial|Charter $9.59 ↓ -68%
Cigna Commercial|Surefit $14.04 ↓ -53%
UHC Medicaid|STARPLUS $15.16 ↓ -49%
UNITED Medicaid|STARPLUS $15.16 ↓ -49%
Cigna Commercial|HMO $15.49 ↓ -48%
BCBS - TX Commercial|Premier $16.70 ↓ -44%
NX Health Commercial|PPO $18.79 ↓ -37%
BCBS - TX Commercial|Transplant $19.28 ↓ -35%
Cigna Commercial|PPO $21.19 ↓ -29%
BCBS - TX Commercial|PPO Trad $22.20 ↓ -25%
OPTUM Medicare|All Plans $22.95 ↓ -23%
BCBS - TX Commercial|HMO $23.06 ↓ -22%
OPTUM Medicaid|STAR $30.76 ↑ +3%
TCHPCHIP Medicaid|HMO $34.85 ↑ +17%
TCH Commercial|Transplant $38.25 ↑ +29%
United Commercial|Optum $39.95 ↑ +34%
Shell Commercial|All Plans $42.50 ↑ +43%
CHC Medicaid|CHIP $46.75 ↑ +57%
TEXASTRUECHOICE Medicaid|CHIP $46.75 ↑ +57%
CHC Medicaid|HMO $46.75 ↑ +57%
Cigna Lifesource Commercial|Transplant $51.00 ↑ +71%
Humana Commercial|Transplant $55.25 ↑ +86%
First Health Commercial|All Plans $55.25 ↑ +86%
Coventry Commercial|PPO $55.25 ↑ +86%
Cigna Commercial|Transplant $59.50 ↑ +100%
Healthsmart Commercial|PPO $59.50 ↑ +100%
Interlink Commercial|Transplant $59.50 ↑ +100%
MultiPlan Commercial|All Plans $63.75 ↑ +114%
OPTUM Medicaid|STARPLUS $70.23 ↑ +136%
USA Health Network Commercial|All Plans $72.25 ↑ +143%
MHealth Network Commercial|PPO $85.00 ↑ +186%

Visitor-reported prices

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Phosphorus 24 hour urine at other Texas hospitals

Hospital City Cash price Negotiated range
HCA HOUSTON WEST HOUSTON $93.00 $4.76 – $23.69
St. Luke's Health - The Vintage Hospital Houston $29.75 $4.16 – $85.00
BAYLOR UNIVERSITY MEDICAL CENTER Dallas $59.55 $4.86 – $66.77
BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM Brenham $59.55 $8.47 – $88.20
BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA Suite 110 $59.55 $4.86 – $70.65
BAYLOR SCOTT & WHITE MEDICAL CENTER - CENTENNIAL Frisco $59.55 $4.86 – $66.77
BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION College Station $59.55 $5.20 – $88.20
BAYLOR SCOTT & WHITE CONTINUING CARE HOSPITAL Temple $59.55 $4.86 – $88.20

All Texas hospitals for this procedure →