Infectious agent antigen immunoassay ql/sq multi step clostridium difficile toxin at Providence Little Company of Mary Med Center Torrance

4101 Torrance Blvd, Torrance, CA · Providence · · NPI 1003084211

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 11, 2026

$90.30

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.

$258.00

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.

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The hospital's undiscounted list price — almost no one pays this.

$11.98 with Aetna vs $88.52 with Blue Shield — 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.

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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
Aetna Medicare Managed Care Plan $11.98 ↓ -87%
Humana Medicare Managed Care Plan $12.22 ↓ -86%
Caremore Medicare Managed Care Plan $13.18 ↓ -85%
La Care Health Plan Covered Ca Exchange $15.57 ↓ -83%
Blue Cross Anthem Vivity City Of La Other Commercial Plan $16.99 ↓ -81%
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $19.14 ↓ -79%
Cigna Oa/Oap Hmo/Pos $21.66 ↓ -76%
Healthnet Ambetter Hmo $22.16 ↓ -75%
Unitedhealthcare All Commercial Plans $23.96 ↓ -73%
Unitedhealthcare Select/Navigate Hmo $23.96 ↓ -73%
First Health/Coventry Coventry All Commercial Plans $23.96 ↓ -73%
Aetna All Commercial Plans $25.58 ↓ -72%
Healthnet Ambetter Ppo $25.64 ↓ -72%
Cigna Ppo $30.38 ↓ -66%
Blue Cross All Commercial Plans $44.41 ↓ -51%
Blue Shield Epn/Ifp Benefit Exchange $54.00 ↓ -40%
Blue Shield Hmo $57.76 ↓ -36%
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $58.54 ↓ -35%
Blue Shield Ppo/Epo $65.16 ↓ -28%
Blue Shield Medicare Managed Care Plan $88.52 ↓ -2%

Visitor-reported prices

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

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $63.08 $11.98 – $112.32
Banner Lassen Medical Center Susanville $71.42 $2.40 – $124.16
Petaluma Valley Hospital Petaluma $227.46 $11.74 – $73.37
Arroyo Grande Hospital Santa Maria $146.81 $8.58 – $30.88
Mark Twain Medical Center San Andreas $109.23 $11.98 – $160.72
French Hospital San Luis Obispo $134.46 $4.64 – $36.30
Mercy Hospitals – Bakersfield Bakersfield $108.34 $11.79 – $79.20
Bakersfield Memorial Hospital Bakersfield $107.17 $11.79 – $87.69

All California hospitals for this procedure →