Infectious agent antigen immunoassay ql/sq multi step shiga-like toxin at St. Anne Hospital

16251 Sylvester Rd SW, Burien, WA · Vmfh · · NPI 1558333682

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

$43.22

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.

$141.51

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 BCBS - Regence vs $127.36 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 - Regence Medicare|All Plans $11.98 ↓ -72%
SoundPath Medicare|All Plans $11.98 ↓ -72%
Kaiser Medicare|All Plans $11.98 ↓ -72%
Optum Medicare|All Plans $12.10 ↓ -72%
BCBS - Premera Medicare|All Plans $12.34 ↓ -71%
Aetna Medicare|All Plans $12.34 ↓ -71%
BCBS - Regence Commercial|All Plans $12.58 ↓ -71%
Humana Medicare|All Plans $12.82 ↓ -70%
Molina Medicare|All Plans $12.94 ↓ -70%
United Medicare|All Plans $12.94 ↓ -70%
Amerigroup Medicare|All Plans $13.06 ↓ -70%
Seattle Medical Group Medicare|All Plans $13.78 ↓ -68%
United Commercial|All Other Plans $14.38 ↓ -67%
United Commercial|Cascade Care $14.38 ↓ -67%
Uniform Medical Plan Commercial|All Plans $17.97 ↓ -58%
BCBS - Premera Commercial|LifeWise Primary Exchange $18.89 ↓ -56%
BCBS - Premera Commercial|All Other Plans $20.97 ↓ -51%
Cigna Commercial|All Plans $21.74 ↓ -50%
Sound Family Medicine Commercial|All Plans $22.76 ↓ -47%
Molina Commercial|Marketplace Exchange $23.00 ↓ -47%
Coordinated Care Commercial|Ambetter Exchange $23.72 ↓ -45%
Aetna Commercial|AWH $41.69 ↓ -4%
Aetna Commercial|All Other Plans $49.12 ↑ +14%
Kaiser Commercial|PPO $60.85 ↑ +41%
First Choice Commercial|All Plans $70.51 ↑ +63%
Aetna Commercial|WEA $70.69 ↑ +64%
Kaiser Commercial|HMO $84.91 ↑ +96%
Aetna Commercial|Rental $101.89 ↑ +136%
MultiPlan Commercial|All Plans $127.36 ↑ +195%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step shiga-like toxin at other Washington hospitals

Hospital City Cash price Negotiated range
Swedish Medical Center - First Hill Campus Seattle $55.68 $10.78 – $56.31
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 $172.00 $9.00 – $9.00
Providence St Mary Medical Center Walla Walla $71.40 $11.98 – $22.16
Kadlec Regional Medical Center Richland $101.50 $11.98 – $46.84
MultiCare Valley Hospital Spokane Valley $30.40 $4.89 – $21.72
St. Michael Medical Center Silverdale $62.46 $11.98 – $127.36

All Washington hospitals for this procedure →