Adenovirus antibody,serum - quest at Santa Rosa Memorial Hospital

1165 Montgomery Dr, Santa Rosa, CA · Providence · · NPI 1134152549

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 11, 2026

$12.16

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.

$23.85

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.

$12.61 with Healthnet vs $162.07 with Blue Cross — 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 Medicare Managed Care Plan $12.61 ↑ +4%
Aetna Medicare Managed Care Plan $12.87 ↑ +6%
Unitedhealthcare All Commercial Plans $25.74 ↑ +112%
Unitedhealthcare Select/Navigate Hmo $25.74 ↑ +112%
Aetna All Commercial Plans $100.88 ↑ +730%
Blue Cross Epo Exchange $112.97 ↑ +829%
Blue Cross Nonmcs All Commercial Plans $135.06 ↑ +1011%
Blue Cross Mcs All Commercial Plans $162.07 ↑ +1233%

Visitor-reported prices

visitor-reported
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Adenovirus antibody,serum - quest at other California hospitals

Hospital City Cash price Negotiated range
Banner Lassen Medical Center Susanville $7.01 $2.57 – $18.88
Petaluma Valley Hospital Petaluma $12.16 $12.61 – $105.08
Mercy Hospitals – Bakersfield Bakersfield $4.83 $6.50 – $37.00
Bakersfield Memorial Hospital Bakersfield $4.78 $6.50 – $37.00
Queen of The Valley Medical Center Napa $12.16 $12.87 – $132.79
Providence St Joseph Hospital Eureka Eureka $12.16 $12.87 – $150.59
St. Joseph's Behavioral Health Center Stockton $7.43 $1.30 – $10.40
Redwood Memorial Hospital Fortuna $12.16 $150.94 – $150.94

All California hospitals for this procedure →