Infectious agent antigen immunoassay ql/sq multi step helicobacter pylori stool at Sequoia Hospital

170 Alameda de las Pulgas, Redwood City, CA · CommonSpirit Health · · NPI 1568646735

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

$6.19

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.

$17.00

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.

$3.74 with Blue Shield CA vs $50.08 with Cigna — 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
Blue Shield CA Commercial|ACO Trio $3.74 ↓ -40%
Blue Shield CA Commercial|Exchange $3.91 ↓ -37%
Blue Shield CA Commercial|All Other Plans $4.76 ↓ -23%
Connected Care Commercial|Intel $7.31 ↑ +18%
Healthsmart Commercial|All Plans $11.56 ↑ +87%
Partnership Health Plan Medicaid|> 21 $12.79 ↑ +107%
BCBS - Anthem Medicaid|> 21 $12.79 ↑ +107%
BCBS - Anthem Medicaid|< 21 $12.79 ↑ +107%
Partnership Health Plan Medicaid|< 21 $12.79 ↑ +107%
Kaiser Medicaid|< 21 $12.79 ↑ +107%
Kaiser Medicaid|> 21 $12.79 ↑ +107%
Kaiser Commercial|All Plans $13.09 ↑ +111%
Multiplan Commercial|All Plans $13.94 ↑ +125%
Humana Commercial|All Plans $14.38 ↑ +132%
Humana Medicare|All Plans $14.38 ↑ +132%
Aetna Medicare|All Plans $14.38 ↑ +132%
United Medicare|All Plans $14.38 ↑ +132%
Health Net Medicare|All Plans $14.38 ↑ +132%
Health Net Commercial|Canopy Health $14.38 ↑ +132%
Kaiser Medicare|All Plans $14.38 ↑ +132%
BCBS - Anthem Medicare|All Plans $14.38 ↑ +132%
Blue Shield CA Medicare|All Plans $14.38 ↑ +132%
Chinese Community Medicare|All Plans $14.38 ↑ +132%
Health Plan San Mateo Medicare|All Plans $14.38 ↑ +132%
BCBS - Anthem Commercial|All Other Plans $15.30 ↑ +147%
Health Net Medicaid|> 21 $15.73 ↑ +154%
Health Plan San Mateo Medicaid|< 21 $15.73 ↑ +154%
Health Plan San Mateo Medicaid|> 21 $15.73 ↑ +154%
Health Net Medicaid|< 21 $15.73 ↑ +154%
Brown Toland Commercial|All Plans $15.82 ↑ +156%
Aetna Commercial|All Plans $17.00 ↑ +175%
United Commercial|Options PPO $17.00 ↑ +175%
United Commercial|HMO $17.00 ↑ +175%
United Commercial|All Other Plans $17.00 ↑ +175%
BCBS - Anthem Commercial|MCS $17.00 ↑ +175%
Sutter Health Commercial|All Plans $45.01 ↑ +627%
Cigna Commercial|All Plans $50.08 ↑ +709%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step helicobacter pylori stool at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $7.45 $4.59 – $38.17
Banner Lassen Medical Center Susanville $15.62 $2.88 – $27.16
Petaluma Valley Hospital Petaluma $73.95 $14.09 – $130.14
Arroyo Grande Hospital Santa Maria $7.28 $8.50 – $37.06
Mark Twain Medical Center San Andreas $23.95 $9.21 – $16.66
French Hospital San Luis Obispo $6.67 $4.59 – $43.57
Mercy Hospitals – Bakersfield Bakersfield $41.19 $8.50 – $41.34
Bakersfield Memorial Hospital Bakersfield $40.74 $8.50 – $41.34

All California hospitals for this procedure →