Mayo alkaline phosphatase isoenzyme at ST HELENA HOSPITAL

10 Woodland Rd Saint Helena CA 94574|525 Oregon St, Vallejo, CA · Adventisthealth · · NPI 1720078082

Source: hospital's published price file ↗ · Published Jul 15, 2026 · Ingested Sep 16, 2026

$2.67

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.

$17.80

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.

$1.73 with HEALTHNET-ALL PLANS vs $170.86 with BLUE CROSS MCS - ALL OTHER PLANS — 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
HEALTHNET-ALL PLANS HEALTHNET-ALL PLANS $1.73 ↓ -35%
UHC SELECT/SELECT PLUS UHC SELECT/SELECT PLUS $5.18 ↑ +94%
BLUE SHIELD BEHAV HLTH BLUE SHIELD BEHAV HLTH $5.26 ↑ +97%
BLUE SHIELD NON-EPN BLUE SHIELD NON-EPN $5.42 ↑ +103%
BLUE SHIELD EPN-ALL OTHER PLANS BLUE SHIELD EPN-ALL OTHER PLANS $5.51 ↑ +106%
UHC JLL UHC JLL $5.58 ↑ +109%
UHC ALL PAYER - ALL OTHER PLANS UHC ALL PAYER - ALL OTHER PLANS $5.88 ↑ +120%
WESTERN GROWERS-ALL PLANS WESTERN GROWERS-ALL PLANS $6.20 ↑ +132%
PHCS-ALL PLANS PHCS-ALL PLANS $6.43 ↑ +141%
UMR UHC PPO UMR UHC PPO $7.44 ↑ +179%
UHC OPTIONS PPO UHC OPTIONS PPO $7.45 ↑ +179%
INTERPLAN-ALL PLANS INTERPLAN-ALL PLANS $7.60 ↑ +185%
CHOICECARE-ALL PLANS CHOICECARE-ALL PLANS $8.18 ↑ +206%
BEECH STREET-ALL PLANS BEECH STREET-ALL PLANS $8.77 ↑ +228%
CIGNA-ALL OTHER PLANS CIGNA-ALL OTHER PLANS $9.35 ↑ +250%
KAISER-ALL OTHER PLANS KAISER-ALL OTHER PLANS $9.59 ↑ +259%
HEALTH MANAGEMENT NETWORK-ALL PLANS HEALTH MANAGEMENT NETWORK-ALL PLANS $9.94 ↑ +272%
THREE RIVERS-ALL PLANS THREE RIVERS-ALL PLANS $10.52 ↑ +294%
GALAXY NETWORK-ALL PLANS GALAXY NETWORK-ALL PLANS $10.52 ↑ +294%
VA MEDI-CAL VA MEDI-CAL $11.69 ↑ +338%
BLUE SHIELD MCR ADV BLUE SHIELD MCR ADV $14.78 ↑ +454%
TRICARE BLUE SHIELD TRICARE BLUE SHIELD $14.78 ↑ +454%
KAISER MCR ADV KAISER MCR ADV $14.78 ↑ +454%
UHC MCR ADV UHC MCR ADV $14.78 ↑ +454%
VA MCR - ALL OTHER PLANS VA MCR - ALL OTHER PLANS $14.78 ↑ +454%
BLUE SHIELD BH MCR ADV BLUE SHIELD BH MCR ADV $14.78 ↑ +454%
AH EMPLOYEE HEALTH PLAN - ALL PLANS AH EMPLOYEE HEALTH PLAN - ALL PLANS $26.60 ↑ +896%
AETNA-ALL PLANS AETNA-ALL PLANS $86.68 ↑ +3146%
BLUE CROSS EXCHANGE BLUE CROSS EXCHANGE $128.14 ↑ +4699%
BLUE CROSS NON MCS BLUE CROSS NON MCS $142.38 ↑ +5233%
BLUE CROSS MCS - ALL OTHER PLANS BLUE CROSS MCS - ALL OTHER PLANS $170.86 ↑ +6299%

Visitor-reported prices

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Mayo alkaline phosphatase isoenzyme at other California hospitals

Hospital City Cash price Negotiated range
Vallejo Medical Center VALLEJO $33.04 $14.00 – $14.00
Fresno Medical Center FRESNO $33.04 $14.00 – $14.00
St. John's Camarillo Hospital Camarillo $13.14 $1.35 – $39.23
Antioch Medical Center ANTIOCH $33.04 $14.00 – $14.00
Redwood City Medical Center Redwood City $33.04 $14.00 – $14.00
Santa Clara Medical Center SANTA CLARA $33.04 $14.00 – $14.00
Baldwin Park Medical Center BALDWIN PARK $120.12 $10.00 – $10.00
Riverside Medical Center RIVERSIDE $120.12 $10.00 – $10.00

All California hospitals for this procedure →