Mayo microsomal antibody liver-kidney at St. Michael Medical Center

1800 NW Myhre Rd, Silverdale, WA · Vmfh · · NPI 1518912609

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

$87.65

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.

$198.58

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.

$14.55 with Kaiser vs $178.73 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 $14.55 ↓ -83%
CHPW Medicare|All Plans $14.55 ↓ -83%
BCBS - Regence Medicare|All Plans $14.55 ↓ -83%
Optum Medicare|All Plans $14.70 ↓ -83%
BCBS - Premera Medicare|All Plans $14.99 ↓ -83%
Aetna Medicare|All Plans $14.99 ↓ -83%
BCBS - Regence Commercial|All Plans $15.28 ↓ -83%
Humana Medicare|All Plans $15.57 ↓ -82%
Wellcare Medicare|All Plans $15.71 ↓ -82%
Molina Medicare|All Plans $15.71 ↓ -82%
United Medicare|All Plans $15.71 ↓ -82%
Uniform Medical Plan Commercial|All Plans $21.83 ↓ -75%
BCBS - Premera Commercial|All Other Plans $25.46 ↓ -71%
Sound Family Medicine Commercial|All Plans $29.10 ↓ -67%
Molina Commercial|Marketplace Exchange $33.47 ↓ -62%
Coordinated Care Commercial|Ambetter Exchange $34.05 ↓ -61%
BCBS - Premera Commercial|LifeWise Primary Exchange $36.96 ↓ -58%
Cigna Commercial|All Plans $46.68 ↓ -47%
Aetna Commercial|AWH $135.04 ↑ +54%
Aetna Commercial|Sound Health $142.98 ↑ +63%
First Choice Commercial|All Plans $144.97 ↑ +65%
Aetna Commercial|All Other Plans $158.87 ↑ +81%
Aetna Commercial|WEA $158.87 ↑ +81%
United Commercial|Cascade Care $162.84 ↑ +86%
United Commercial|All Other Plans $162.84 ↑ +86%
Aetna Commercial|Rental $174.76 ↑ +99%
MultiPlan Commercial|All Plans $178.73 ↑ +104%

Visitor-reported prices

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Mayo microsomal antibody liver-kidney at other Washington hospitals

Hospital City Cash price Negotiated range
Providence St Joseph Hospital Chewelah $281.40 not published
Swedish Medical Center - First Hill Campus Seattle $76.32 $13.10 – $68.39
Providence Sacred Heart Medical Center and Children's Hospital Spokane $443.80 $14.55 – $52.38
Swedish Medical Center Cherry Hill Seattle $76.32 $13.10 – $66.20
Swedish Issaquah Issaquah $76.32 $13.10 – $68.39
Central Medical Center Seattle $78.40 $11.00 – $11.00
Providence Centralia Hospital Centralia $244.40 $14.55 – $90.65
Providence Mount Carmel Hospital Colville $404.60 not published

All Washington hospitals for this procedure →