Infectious agent antigen immunoassay ql/sq multi step giardia 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

$27.30

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.

$182.00

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.

$2.42 with HEALTHNET-ALL PLANS vs $107.71 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 $2.42 ↓ -91%
UHC SELECT/SELECT PLUS UHC SELECT/SELECT PLUS $8.95 ↓ -67%
BLUE SHIELD BEHAV HLTH BLUE SHIELD BEHAV HLTH $9.09 ↓ -67%
BLUE SHIELD NON-EPN BLUE SHIELD NON-EPN $9.37 ↓ -66%
BLUE SHIELD EPN-ALL OTHER PLANS BLUE SHIELD EPN-ALL OTHER PLANS $9.51 ↓ -65%
UHC JLL UHC JLL $9.65 ↓ -65%
UHC ALL PAYER - ALL OTHER PLANS UHC ALL PAYER - ALL OTHER PLANS $10.15 ↓ -63%
WESTERN GROWERS-ALL PLANS WESTERN GROWERS-ALL PLANS $10.71 ↓ -61%
PHCS-ALL PLANS PHCS-ALL PLANS $11.11 ↓ -59%
VA MEDI-CAL VA MEDI-CAL $11.88 ↓ -56%
VA MCR - ALL OTHER PLANS VA MCR - ALL OTHER PLANS $11.98 ↓ -56%
BLUE SHIELD MCR ADV BLUE SHIELD MCR ADV $11.98 ↓ -56%
UHC MCR ADV UHC MCR ADV $11.98 ↓ -56%
KAISER MCR ADV KAISER MCR ADV $11.98 ↓ -56%
TRICARE BLUE SHIELD TRICARE BLUE SHIELD $11.98 ↓ -56%
BLUE SHIELD BH MCR ADV BLUE SHIELD BH MCR ADV $11.98 ↓ -56%
UMR UHC PPO UMR UHC PPO $12.86 ↓ -53%
UHC OPTIONS PPO UHC OPTIONS PPO $12.88 ↓ -53%
INTERPLAN-ALL PLANS INTERPLAN-ALL PLANS $13.13 ↓ -52%
CHOICECARE-ALL PLANS CHOICECARE-ALL PLANS $14.14 ↓ -48%
BEECH STREET-ALL PLANS BEECH STREET-ALL PLANS $15.15 ↓ -45%
CIGNA-ALL OTHER PLANS CIGNA-ALL OTHER PLANS $16.16 ↓ -41%
KAISER-ALL OTHER PLANS KAISER-ALL OTHER PLANS $16.56 ↓ -39%
HEALTH MANAGEMENT NETWORK-ALL PLANS HEALTH MANAGEMENT NETWORK-ALL PLANS $17.17 ↓ -37%
GALAXY NETWORK-ALL PLANS GALAXY NETWORK-ALL PLANS $18.18 ↓ -33%
THREE RIVERS-ALL PLANS THREE RIVERS-ALL PLANS $18.18 ↓ -33%
AH EMPLOYEE HEALTH PLAN - ALL PLANS AH EMPLOYEE HEALTH PLAN - ALL PLANS $21.56 ↓ -21%
AETNA-ALL PLANS AETNA-ALL PLANS $54.43 ↑ +99%
BLUE CROSS EXCHANGE BLUE CROSS EXCHANGE $80.78 ↑ +196%
BLUE CROSS NON MCS BLUE CROSS NON MCS $89.76 ↑ +229%
BLUE CROSS MCS - ALL OTHER PLANS BLUE CROSS MCS - ALL OTHER PLANS $107.71 ↑ +295%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step giardia at other California hospitals

Hospital City Cash price Negotiated range
Vallejo Medical Center VALLEJO $38.64 $11.00 – $11.00
Fresno Medical Center FRESNO $38.64 $11.00 – $11.00
St. John's Camarillo Hospital Camarillo $170.82 $3.24 – $31.80
Antioch Medical Center ANTIOCH $38.64 $11.00 – $11.00
Redwood City Medical Center Redwood City $38.64 $11.00 – $11.00
Santa Clara Medical Center SANTA CLARA $38.64 $11.00 – $11.00
Baldwin Park Medical Center BALDWIN PARK $74.88 $8.00 – $8.00
Riverside Medical Center RIVERSIDE $74.88 $8.00 – $8.00

All California hospitals for this procedure →