Assay of interleukin-6 (il-6) at Banner Baywood Medical Center

6644 East Baywood Avenue, Mesa, AZ · Banner Health · · NPI 1194758284

Source: hospital's published price file ↗ · Published Mar 2, 2026 · Ingested Aug 12, 2026

$13.84

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.

$109.00

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.

$17.27 with Gila River Health Care Corporation vs $81.75 with Provider Network of America — 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
Gila River Health Care Corporation Managed Care Program $17.27 ↑ +25%
Wellpoint Medicare Advantage HMO $17.27 ↑ +25%
UPMC Health Plan Medicare Advantage $17.27 ↑ +25%
United Healthcare UHC Medicare Advantage $17.27 ↑ +25%
TriWest Healthcare Alliance Corp - VA CCN VA Community Care Network $17.27 ↑ +25%
Aetna Medicare Advantage $17.27 ↑ +25%
Mercy Care Mercy Medicaid $17.27 ↑ +25%
Mercy Care Mercy Care Advantage $17.27 ↑ +25%
Arizona Physicians IPA Medicaid $17.27 ↑ +25%
Arizona Physicians IPA Medicare Advantage $17.27 ↑ +25%
Health Choice Arizona, Inc. Medicare Advantage $17.27 ↑ +25%
Blue Cross Blue Shield of Arizona Medicare Advantage $17.27 ↑ +25%
Health Choice Arizona, Inc. Medicaid $17.27 ↑ +25%
Care 1st Medicare Advantage $17.27 ↑ +25%
Banner Health Medicare Advantage $17.27 ↑ +25%
Banner University Health Plan AZ Medicaid - AHCCCS $17.27 ↑ +25%
Banner University Health Plan University Care Advantage $17.27 ↑ +25%
Kaiser Foundation Health Plan Medicare Advantage $17.27 ↑ +25%
Humana Medicare Advantage $17.27 ↑ +25%
Health Net Medicare $17.27 ↑ +25%
Health Net Medicaid $17.27 ↑ +25%
Devoted Health Services Medicare Advantage $18.13 ↑ +31%
Carelon Medicare Advantage $18.13 ↑ +31%
Arizona Priority Care Medicare Advantage $19.00 ↑ +37%
Gold Kidney Health Plan Medicare Advantage $19.00 ↑ +37%
Aetna Qualified Health Plan $23.49 ↑ +70%
United Healthcare Individual Exchange $24.18 ↑ +75%
Health Net Commerical Exchange Product $25.56 ↑ +85%
Health Choice Arizona, Inc. ACA Health Plan $25.91 ↑ +87%
Oscar Health Plan Commercial $28.50 ↑ +106%
Cigna Healthcare of Arizona, Inc. LocalFlex $30.32 ↑ +119%
United Healthcare UHC Doctor's Plan $31.95 ↑ +131%
Cigna Healthcare of Arizona, Inc. Commercial $33.69 ↑ +143%
United Healthcare UHC Core $35.32 ↑ +155%
Aetna Banner Employee Plans $36.62 ↑ +165%
Hospice of the Valley Medicare $38.15 ↑ +176%
United Healthcare Commercial $38.87 ↑ +181%
Blue Cross Blue Shield of Arizona BXBSAZ Neighborhood $43.04 ↑ +211%
Blue Cross Blue Shield of Arizona BCBSAZ Alliance/Blue HPN $45.91 ↑ +232%
Blue Cross Blue Shield of Arizona BXBSAZ Alliance CHS $48.20 ↑ +248%
National Healthcare Solutions Inc (NHSI) and VIP Universal Medical Insurance Group (VUMI) NHSI VUMI $49.05 ↑ +254%
Plotkin Health Plotkin Health $49.05 ↑ +254%
Blue Cross Blue Shield of Arizona Medicare Supplemental Senior Preferred $57.38 ↑ +315%
Blue Cross Blue Shield of Arizona BCBSAZ Workers Comp $57.38 ↑ +315%
Blue Cross Blue Shield of Arizona Commercial $57.38 ↑ +315%
Aetna Medical Rental $57.44 ↑ +315%
Aetna Joint Venture $57.99 ↑ +319%
Quiktrip Corporation Commercial $58.86 ↑ +325%
Aetna Designated Group $61.62 ↑ +345%
Aetna Broad Network $72.50 ↑ +424%
Arizona Medical Network Commercial $76.30 ↑ +451%
Provider Network of America Commercial $81.75 ↑ +491%

Visitor-reported prices

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Assay of interleukin-6 (il-6) at other Arizona hospitals

Hospital City Cash price Negotiated range
Banner Desert Medical Center Mesa $16.35 $17.27 – $81.75
Banner Heart Hospital Mesa $9.16 $17.27 – $81.75
Arizona General Hospital Mesa Mesa $64.22 $10.36 – $212.42
Mercy Gilbert Medical Center Gilbert $17.00 $9.68 – $53.20
Banner University Medical Center Phoenix Phoenix $17.44 $16.74 – $81.75
Banner University Medical Center Tucson Tucson $17.66 $17.27 – $87.20
Banner University Medical Center South Tucson $17.00 $17.27 – $87.20
Banner Boswell Medical Center Sun City $16.46 $17.27 – $87.20

All Arizona hospitals for this procedure →