Assay of sialic acid 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

$66.00

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.

$200.00

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.

$2.31 with United Healthcare vs $190.00 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
United Healthcare All Payer $2.31 ↓ -97%
Texas Healthspring MM $6.72 ↓ -90%
United Healthcare Chip KM $12.54 ↓ -81%
United Healthcare Star Plus KM $12.54 ↓ -81%
United Healthcare Star KM $12.54 ↓ -81%
Driscoll Children's Health Plan Star Kids KM $13.44 ↓ -80%
United Healthcare MM $13.44 ↓ -80%
Driscoll Children's Health Plan Star KM $13.44 ↓ -80%
Driscoll Children's Health Plan Chip KM $13.44 ↓ -80%
Community First Star Kids KM $13.44 ↓ -80%
Community First Star KM $13.44 ↓ -80%
Aetna Chip KM $13.44 ↓ -80%
Aetna MM $13.44 ↓ -80%
Aetna Star KM $13.44 ↓ -80%
Coventry First Health MM $13.44 ↓ -80%
Community First Chip KM $13.44 ↓ -80%
Molina Chip KM $13.44 ↓ -80%
Molina Star Plus KM $13.44 ↓ -80%
Molina Medicare Adv MM $13.44 ↓ -80%
Superior Chip KM $13.44 ↓ -80%
First Care KM $13.44 ↓ -80%
El Paso First KM $13.44 ↓ -80%
Humana Gold Choice MM $13.44 ↓ -80%
Humana Gold Plus MM $13.44 ↓ -80%
Superior Foster Care KM $13.44 ↓ -80%
Superior Star Plus KM $13.44 ↓ -80%
Blue Cross Blue Shield of Texas MM $13.44 ↓ -80%
Blue Cross Blue Shield Of Texas Star Chip KM $13.44 ↓ -80%
Triwest VA MM $13.44 ↓ -80%
Wellcare MM $13.44 ↓ -80%
Christus Health Med Adv MM $13.44 ↓ -80%
Allwell Superior Health MM $13.44 ↓ -80%
Superior Star Plus MM $13.44 ↓ -80%
Superior Star Kids KM $13.44 ↓ -80%
Superior Star KM $13.44 ↓ -80%
Texas Independence Health Plan MM $13.84 ↓ -79%
Provider Partners Health Plan MM $13.84 ↓ -79%
Texas Childrens Health Plan Chip KM $14.11 ↓ -79%
Texas Childrens Health Plan Star Plus KM $14.11 ↓ -79%
Shared Health Insurance Company MM $14.11 ↓ -79%
US Imaging Network PPO $14.38 ↓ -78%
Devoted Health Plan MM $14.52 ↓ -78%
Amerigroup MM $14.52 ↓ -78%
Imperial Health Plan MM $14.78 ↓ -78%
ProCare Advantage MM $14.78 ↓ -78%
American Health Medicare Advantage MM $14.78 ↓ -78%
Employer Direct Healthcare PPO $16.13 ↓ -76%
Gilsbar Inc. MM $17.47 ↓ -74%
Christus Health HIX $18.82 ↓ -71%
Community First Med Adv MM $24.00 ↓ -64%
Amerigroup Star Kids KM $24.00 ↓ -64%
Amerigroup Star KM $24.00 ↓ -64%
Amerigroup Star Plus KM $24.00 ↓ -64%
Amerigroup Chip KM $24.00 ↓ -64%
Humana Choicecare $25.98 ↓ -61%
Aetna EPO $26.61 ↓ -60%
Aetna POS $26.61 ↓ -60%
Aetna PPO $26.61 ↓ -60%
Naphcare Inc. RRMB $26.88 ↓ -59%
Blue Cross Blue Shield of Texas Blue AdvantangeHMO $34.54 ↓ -48%
Blue Cross Blue Shield of Texas HMO $42.07 ↓ -36%
Blue Cross Blue Shield of Texas HEB $42.60 ↓ -35%
Blue Cross Blue Shield of Texas PPO $47.31 ↓ -28%
Blue Cross Blue Shield of Texas Traditional $49.86 ↓ -24%
Cigna New Business $53.25 ↓ -19%
Cigna PPO $67.43 ↑ +2%
Community First Health Plan HMO $88.00 ↑ +33%
Healthcare Highways PPO $90.00 ↑ +36%
Christian Brothers Services PPO $110.00 ↑ +67%
Multiplan PPO $130.00 ↑ +97%
Healthsmart Accel PPO $130.00 ↑ +97%
Phcs PPO $130.00 ↑ +97%
First Health PPO $130.00 ↑ +97%
Five Point Credit Union PPO $140.00 ↑ +112%
Medicus Internatiaonal PPO $150.00 ↑ +127%
Provider Select PPO $160.00 ↑ +142%
Beech Street PPO $160.00 ↑ +142%
Health Management Network PPO $160.00 ↑ +142%
HealthSmart PPO $160.00 ↑ +142%
National Choicecare PPO $190.00 ↑ +188%

Visitor-reported prices

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Assay of sialic acid at other Texas hospitals

Hospital City Cash price Negotiated range
CHRISTUS Children's Hospital San Antonio not published $12.54 – $36.67
BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM Brenham $113.47 $12.00 – $170.20
BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA Suite 110 $102.00 $11.29 – $127.50
BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION College Station $113.47 $12.00 – $170.20
BAYLOR SCOTT & WHITE CONTINUING CARE HOSPITAL Temple $113.47 $8.00 – $170.20
BAYLOR SCOTT & WHITE EMERGENCY MEDICAL CENTER - CEDAR PARK Cedar Park $102.00 $11.29 – $153.00
BAYLOR SCOTT & WHITE MEDICAL CENTER HILLCREST Waco $113.47 $11.29 – $141.83
BAYLOR SCOTT & WHITE MCLANE CHILDREN'S MEDICAL CENTER Temple $113.47 $11.29 – $170.20

All Texas hospitals for this procedure →