Infectious agent antigen immunoassay ql/sq multi step cryptosporidium at Mark Twain Medical Center

768 Mountain Ranch Rd, San Andreas, CA · CommonSpirit Health · · NPI 1508968819

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

$9.99

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.

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What you pay up front if you don't use insurance.

$15.00

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.

$8.12 with BCBS - Anthem vs $14.70 with Multiplan — 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
BCBS - Anthem Commercial|Exchange $8.12 ↓ -19%
United Commercial|Select $8.73 ↓ -13%
Blue Shield CA Commercial|Exchange $9.60 ↓ -4%
Blue Shield CA Commercial|PPO $9.60 ↓ -4%
Blue Shield CA Commercial|HMO $9.60 ↓ -4%
United Commercial|Choice $10.02 ↑ +0%
BCBS - Anthem Commercial|All Other Plans $10.41 ↑ +4%
Health Net Commercial|All Plans $11.21 ↑ +12%
First Health Commercial|All Plans $11.25 ↑ +13%
United Commercial|HMO $11.77 ↑ +18%
Aetna Commercial|All Other Plans $12.26 ↑ +23%
Aetna Commercial|HMO $12.26 ↑ +23%
Aetna Commercial|PPO $12.26 ↑ +23%
Kaiser Medicaid|All Plans $12.36 ↑ +24%
California Health & Wellness Medicaid|All Plans $12.36 ↑ +24%
Health Net Medicaid|All Plans $12.36 ↑ +24%
Health Plan of San Joaquin Medicaid|All Plans $12.36 ↑ +24%
BCBS - Anthem Medicaid|All Plans $12.36 ↑ +24%
Kaiser Commercial|All Plans $12.75 ↑ +28%
Cigna Commercial|All Other Plans $13.43 ↑ +34%
Cigna Commercial|PPO $13.43 ↑ +34%
Humana Medicare|All Plans $13.82 ↑ +38%
BCBS - Anthem Medicare|All Plans $13.82 ↑ +38%
Care 1st Medicare|All Plans $13.82 ↑ +38%
Health Net Medicare|All Plans $13.82 ↑ +38%
Blue Shield CA Medicare|All Plans $13.82 ↑ +38%
United Medicare|All Plans $13.82 ↑ +38%
Kaiser Medicare|All Plans $13.82 ↑ +38%
Scan Health Plan Medicare|All Plans $13.82 ↑ +38%
Aetna Medicare|All Plans $13.82 ↑ +38%
Multiplan Commercial|All Plans $14.70 ↑ +47%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step cryptosporidium at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $167.76 $4.05 – $36.66
Banner Lassen Medical Center Susanville $13.39 $2.76 – $23.28
Petaluma Valley Hospital Petaluma $105.06 $13.54 – $73.37
Arroyo Grande Hospital Santa Maria $38.10 $7.50 – $35.60
French Hospital San Luis Obispo $34.89 $4.05 – $41.85
Mercy Hospitals – Bakersfield Bakersfield $24.12 $5.50 – $39.70
Bakersfield Memorial Hospital Bakersfield $23.86 $7.50 – $39.70
Queen of The Valley Medical Center Napa $313.14 $13.82 – $92.72

All California hospitals for this procedure →