Infectious agent antigen immunoassay ql/sq multi step clostridium difficile toxin at St. Francis Hospital

34515 Ninth Avenue South, Federal Way, WA · Vmfh · · NPI 1093713091

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 17, 2026

$50.05

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.

$159.48

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.

$11.98 with Kaiser vs $119.61 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
Kaiser Medicare|All Plans $11.98 ↓ -76%
SoundPath Medicare|All Plans $11.98 ↓ -76%
BCBS - Regence Medicare|All Plans $11.98 ↓ -76%
Optum Medicare|All Plans $12.10 ↓ -76%
BCBS - Premera Medicare|All Plans $12.34 ↓ -75%
Aetna Medicare|All Plans $12.34 ↓ -75%
BCBS - Regence Commercial|All Plans $12.58 ↓ -75%
BCBS - Premera Commercial|LifeWise Primary Exchange $12.73 ↓ -75%
Humana Medicare|All Plans $12.82 ↓ -74%
Molina Medicare|All Plans $12.94 ↓ -74%
United Medicare|All Plans $12.94 ↓ -74%
Amerigroup Medicare|All Plans $13.06 ↓ -74%
CHPW Medicare|All Plans $13.78 ↓ -72%
Seattle Medical Group Medicare|All Plans $13.78 ↓ -72%
United Commercial|Cascade Care $14.38 ↓ -71%
United Commercial|All Other Plans $14.38 ↓ -71%
United Commercial|Navigate $14.38 ↓ -71%
Uniform Medical Plan Commercial|All Plans $17.97 ↓ -64%
BCBS - Premera Commercial|All Other Plans $17.97 ↓ -64%
Cigna Commercial|All Plans $21.74 ↓ -57%
Sound Family Medicine Commercial|All Plans $22.76 ↓ -55%
Molina Commercial|Marketplace Exchange $23.00 ↓ -54%
Coordinated Care Commercial|Ambetter Exchange $23.72 ↓ -53%
Aetna Commercial|AWH $44.81 ↓ -10%
Aetna Commercial|All Other Plans $52.71 ↑ +5%
First Choice Commercial|All Plans $72.89 ↑ +46%
Aetna Commercial|WEA $88.85 ↑ +78%
Aetna Commercial|Rental $114.83 ↑ +129%
MultiPlan Commercial|All Plans $119.61 ↑ +139%

Visitor-reported prices

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

Hospital City Cash price Negotiated range
Providence St Luke's Rehabilitation Medical Center Spokane $121.59 $11.98 – $13.18
Providence St Joseph Hospital Chewelah $95.20 not published
Swedish Medical Center - First Hill Campus Seattle $55.68 $10.78 – $56.31
Providence Sacred Heart Medical Center and Children's Hospital Spokane $172.20 $11.98 – $43.13
Swedish Medical Center Cherry Hill Seattle $55.68 $10.78 – $54.51
Swedish Issaquah Issaquah $55.68 $10.78 – $56.31
Central Medical Center Seattle $84.80 $9.00 – $9.00
Providence Centralia Hospital Centralia $71.76 $11.98 – $74.64

All Washington hospitals for this procedure →