Assay of tyrosine at St. Joseph’s Hospital and Medical Center

350 W Thomas Rd, Phoenix, AZ · CommonSpirit Health · · NPI 1982733655

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$16.43

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.

$43.00

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.

$4.46 with United vs $43.00 with BCBS - AZ — 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
United Commercial|Navigate $4.46 ↓ -73%
United Commercial|Options PPO $6.38 ↓ -61%
United Commercial|All Other Plans $6.38 ↓ -61%
United Commercial|DignityHealthEmployee $8.17 ↓ -50%
Mercy Care Plan Medicare|All Plans $10.63 ↓ -35%
Aetna Medicare|All Plans $10.63 ↓ -35%
Mercy Care Plan Medicaid|All Plans $10.63 ↓ -35%
First Health Medicare|All Plans $10.63 ↓ -35%
BCBS - AZ Medicare|All Plans $10.63 ↓ -35%
Humana Medicare|All Plans $10.63 ↓ -35%
Optum Medicare|OptumCare $10.63 ↓ -35%
Care 1st Medicare|All Plans $10.63 ↓ -35%
United Medicare|All Other Plans $10.63 ↓ -35%
United Medicare|Dual Complete $10.63 ↓ -35%
Health Choice Medicare|All Plans $10.63 ↓ -35%
Health Choice Medicaid|All Plans $10.63 ↓ -35%
Cigna Medicare|All Plans $10.63 ↓ -35%
United Medicaid|All Plans $10.90 ↓ -34%
Optum Medicare|OptumHealth $11.69 ↓ -29%
Optum Commercial|OptumHealth $20.21 ↑ +23%
Cigna Commercial|Exchange $22.11 ↑ +35%
Cigna Commercial|LocalPlus SureFit $23.63 ↑ +44%
Cigna Commercial|LifeSource $23.65 ↑ +44%
Other Commercial|NTN $25.80 ↑ +57%
LifeTrac Commercial|All Plans $27.95 ↑ +70%
Health Net Commercial|Interlink $30.10 ↑ +83%
First Health Commercial|All Plans $30.10 ↑ +83%
Cigna Commercial|All Other Plans $31.10 ↑ +89%
Aetna Commercial|All Plans $33.47 ↑ +104%
MultiPlan Commercial|All Plans $33.97 ↑ +107%
BCBS - AZ Commercial|Neighborhood $36.62 ↑ +123%
BCBS - AZ Commercial|MaricopaFocus $36.62 ↑ +123%
BCBS - AZ Commercial|Workers Comp $43.00 ↑ +162%
BCBS - AZ Commercial|All Other Plans $43.00 ↑ +162%

Visitor-reported prices

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Assay of tyrosine at other Arizona hospitals

Hospital City Cash price Negotiated range
Banner University Medical Center Phoenix Phoenix $16.00 $10.63 – $75.00
Banner Estrella Medical Center Phoenix $15.80 $10.63 – $75.00
Mercy Gilbert Medical Center Gilbert $10.46 $5.96 – $32.75
Banner University Medical Center Tucson Tucson $16.20 $10.63 – $80.00
Banner University Medical Center South Tucson $15.60 $10.63 – $80.00
Banner Casa Grande Medical Center Casa Grande $11.30 $10.63 – $75.00
Banner Desert Medical Center Mesa $15.00 $10.63 – $75.00
Banner Ironwood Medical Center San Tan Valley $17.30 $10.63 – $75.00

All Arizona hospitals for this procedure →