Infectious agent antigen immunoassay ql/sq multi step clostridium difficile toxin at St. Joseph’s Hospital and Medical Center

350 W Thomas Rd, Phoenix, AZ · CommonSpirit Health · · NPI 1982733655

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

$60.36

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.

$158.00

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.

$5.03 with United vs $124.82 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
United Commercial|Navigate $5.03 ↓ -92%
United Commercial|Options PPO $7.19 ↓ -88%
United Commercial|All Other Plans $7.19 ↓ -88%
Care 1st Medicare|All Plans $11.98 ↓ -80%
Aetna Medicare|All Plans $11.98 ↓ -80%
Mercy Care Plan Medicare|All Plans $11.98 ↓ -80%
First Health Medicare|All Plans $11.98 ↓ -80%
Health Choice Medicaid|All Plans $11.98 ↓ -80%
Humana Medicare|All Plans $11.98 ↓ -80%
Optum Medicare|OptumCare $11.98 ↓ -80%
United Medicare|All Other Plans $11.98 ↓ -80%
United Medicare|Dual Complete $11.98 ↓ -80%
Mercy Care Plan Medicaid|All Plans $11.98 ↓ -80%
Cigna Medicare|All Plans $11.98 ↓ -80%
BCBS - AZ Medicare|All Plans $11.98 ↓ -80%
Health Choice Medicare|All Plans $11.98 ↓ -80%
United Medicaid|All Plans $12.28 ↓ -80%
Optum Medicare|OptumHealth $13.18 ↓ -78%
Cigna Commercial|Exchange $24.93 ↓ -59%
Cigna Commercial|LocalPlus SureFit $26.64 ↓ -56%
United Commercial|DignityHealthEmployee $30.02 ↓ -50%
Cigna Commercial|All Other Plans $35.06 ↓ -42%
Aetna Commercial|All Plans $37.73 ↓ -37%
BCBS - AZ Commercial|MaricopaFocus $41.31 ↓ -32%
BCBS - AZ Commercial|Neighborhood $41.31 ↓ -32%
BCBS - AZ Commercial|All Other Plans $55.08 ↓ -9%
Optum Commercial|OptumHealth $74.26 ↑ +23%
BCBS - AZ Commercial|Workers Comp $81.28 ↑ +35%
Cigna Commercial|LifeSource $86.90 ↑ +44%
Other Commercial|NTN $94.80 ↑ +57%
LifeTrac Commercial|All Plans $102.70 ↑ +70%
Health Net Commercial|Interlink $110.60 ↑ +83%
First Health Commercial|All Plans $110.60 ↑ +83%
MultiPlan Commercial|All Plans $124.82 ↑ +107%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step clostridium difficile toxin at other Arizona hospitals

Hospital City Cash price Negotiated range
Banner University Medical Center Phoenix Phoenix $13.26 $11.98 – $45.00
Banner Estrella Medical Center Phoenix $16.26 $11.98 – $45.00
Arizona General Hospital Laveen Phoenix $57.03 $7.18 – $203.44
Mercy Gilbert Medical Center Gilbert $36.90 $6.72 – $36.96
Banner University Medical Center Tucson Tucson $14.04 $11.98 – $48.00
Banner University Medical Center South Tucson $10.02 $11.98 – $48.00
Banner Baywood Medical Center Mesa $13.38 $11.98 – $45.00
Banner Behavioral Health Hospital Scottsdale $35.15 $11.98 – $42.00

All Arizona hospitals for this procedure →