Carbon dioxide at CHRISTUS Santa Rosa Emergency Center - Alon

11503 NW Military Hwy, San Antonio, TX · Christushealth · · NPI 1194787218

Source: hospital's published price file ↗ · Published Jan 12, 2026 · Ingested Sep 16, 2026

$72.93

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.

$221.00

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.

$2.44 with Texas Healthspring vs $55.10 with National Choicecare — 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
Texas Healthspring MM $2.44 ↓ -97%
United Healthcare Star KM $4.56 ↓ -94%
United Healthcare Chip KM $4.56 ↓ -94%
United Healthcare Star Plus KM $4.56 ↓ -94%
Humana Gold Plus MM $4.88 ↓ -93%
Driscoll Children's Health Plan Star Kids KM $4.88 ↓ -93%
Driscoll Children's Health Plan Star KM $4.88 ↓ -93%
United Healthcare MM $4.88 ↓ -93%
Driscoll Children's Health Plan Chip KM $4.88 ↓ -93%
Community First Star Kids KM $4.88 ↓ -93%
Community First Star KM $4.88 ↓ -93%
Community First Chip KM $4.88 ↓ -93%
Aetna Chip KM $4.88 ↓ -93%
Aetna MM $4.88 ↓ -93%
Aetna Star KM $4.88 ↓ -93%
Coventry First Health MM $4.88 ↓ -93%
Molina Chip KM $4.88 ↓ -93%
Molina Star Plus KM $4.88 ↓ -93%
Molina Medicare Adv MM $4.88 ↓ -93%
Superior Star Plus KM $4.88 ↓ -93%
First Care KM $4.88 ↓ -93%
El Paso First KM $4.88 ↓ -93%
Humana Gold Choice MM $4.88 ↓ -93%
Superior Foster Care KM $4.88 ↓ -93%
Superior Chip KM $4.88 ↓ -93%
Blue Cross Blue Shield of Texas MM $4.88 ↓ -93%
Blue Cross Blue Shield Of Texas Star Chip KM $4.88 ↓ -93%
Triwest VA MM $4.88 ↓ -93%
Wellcare MM $4.88 ↓ -93%
Christus Health Med Adv MM $4.88 ↓ -93%
Allwell Superior Health MM $4.88 ↓ -93%
Superior Star Plus MM $4.88 ↓ -93%
Superior Star Kids KM $4.88 ↓ -93%
Superior Star KM $4.88 ↓ -93%
Texas Independence Health Plan MM $5.03 ↓ -93%
Provider Partners Health Plan MM $5.03 ↓ -93%
Texas Childrens Health Plan Chip KM $5.12 ↓ -93%
Texas Childrens Health Plan Star Plus KM $5.12 ↓ -93%
Shared Health Insurance Company MM $5.12 ↓ -93%
US Imaging Network PPO $5.22 ↓ -93%
Devoted Health Plan MM $5.27 ↓ -93%
Amerigroup MM $5.27 ↓ -93%
ProCare Advantage MM $5.37 ↓ -93%
Imperial Health Plan MM $5.37 ↓ -93%
American Health Medicare Advantage MM $5.37 ↓ -93%
Employer Direct Healthcare PPO $5.86 ↓ -92%
United Healthcare All Payer $5.93 ↓ -92%
Gilsbar Inc. MM $6.34 ↓ -91%
Christus Health HIX $6.83 ↓ -91%
Amerigroup Star Kids KM $6.96 ↓ -90%
Amerigroup Star KM $6.96 ↓ -90%
Amerigroup Star Plus KM $6.96 ↓ -90%
Amerigroup Chip KM $6.96 ↓ -90%
Community First Med Adv MM $6.96 ↓ -90%
Aetna POS $9.66 ↓ -87%
Aetna EPO $9.66 ↓ -87%
Aetna PPO $9.66 ↓ -87%
Naphcare Inc. RRMB $9.76 ↓ -87%
Blue Cross Blue Shield of Texas Blue AdvantangeHMO $12.54 ↓ -83%
Humana Choicecare $12.86 ↓ -82%
Blue Cross Blue Shield of Texas HMO $15.27 ↓ -79%
Blue Cross Blue Shield of Texas HEB $15.47 ↓ -79%
Blue Cross Blue Shield of Texas PPO $17.18 ↓ -76%
Blue Cross Blue Shield of Texas Traditional $18.10 ↓ -75%
Cigna New Business $19.84 ↓ -73%
Cigna PPO $25.12 ↓ -66%
Community First Health Plan HMO $25.52 ↓ -65%
Healthcare Highways PPO $26.10 ↓ -64%
Christian Brothers Services PPO $31.90 ↓ -56%
Multiplan PPO $37.70 ↓ -48%
Phcs PPO $37.70 ↓ -48%
Healthsmart Accel PPO $37.70 ↓ -48%
First Health PPO $37.70 ↓ -48%
Five Point Credit Union PPO $40.60 ↓ -44%
Medicus Internatiaonal PPO $43.50 ↓ -40%
Beech Street PPO $46.40 ↓ -36%
Health Management Network PPO $46.40 ↓ -36%
Provider Select PPO $46.40 ↓ -36%
HealthSmart PPO $46.40 ↓ -36%
National Choicecare PPO $55.10 ↓ -24%

Visitor-reported prices

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Carbon dioxide at other Texas hospitals

Hospital City Cash price Negotiated range
Adventhealth Rollins Brook Lampasas $106.92 $4.39 – $18.79
BAYLOR UNIVERSITY MEDICAL CENTER Dallas $48.08 $4.10 – $60.10
BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM Brenham $53.69 $7.16 – $80.53
BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA Suite 110 $47.00 $4.10 – $58.75
BAYLOR SCOTT & WHITE MEDICAL CENTER - CENTENNIAL Frisco $48.08 $4.10 – $60.10
BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION College Station $53.69 $4.39 – $80.53
BAYLOR SCOTT & WHITE CONTINUING CARE HOSPITAL Temple $53.69 $4.10 – $80.53
BAYLOR SCOTT & WHITE EMERGENCY MEDICAL CENTER - CEDAR PARK Cedar Park $47.00 $4.10 – $70.50

All Texas hospitals for this procedure →