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

1400 E Church St, Santa Maria, CA · CommonSpirit Health · · NPI 1760510937

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

$7.28

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.

$8.50 with Western Growers vs $37.06 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
Western Growers Commercial|All Plans $8.50 ↑ +17%
Blue Shield CA Commercial|Exchange $10.71 ↑ +47%
Kaiser Commercial|All Plans $10.71 ↑ +47%
CenCal Medicaid|> 21 $11.50 ↑ +58%
CenCal Medicaid|< 21 $11.50 ↑ +58%
Partnership Health Plan Medicaid|> 21 $12.79 ↑ +76%
Partnership Health Plan Medicaid|< 21 $12.79 ↑ +76%
First Health Commercial|All Plans $14.28 ↑ +96%
Humana Medicare|All Plans $14.38 ↑ +98%
Aetna Medicare|All Plans $14.38 ↑ +98%
United Medicare|All Plans $14.38 ↑ +98%
Kaiser Medicare|All Plans $14.38 ↑ +98%
BCBS - Anthem Medicare|All Plans $14.38 ↑ +98%
Alignment Medicare|All Plans $14.38 ↑ +98%
MHS Hospice Commercial|All Plans $14.38 ↑ +98%
Scan Health Plan Medicare|All Plans $14.38 ↑ +98%
Blue Shield CA Commercial|FFS $14.96 ↑ +105%
Healthsmart Commercial|All Plans $15.64 ↑ +115%
BCBS - Anthem Commercial|Non-MCS $16.49 ↑ +127%
MultiPlan Commercial|All Plans $16.66 ↑ +129%
United Commercial|Options PPO $17.00 ↑ +134%
Aetna Commercial|All Other Plans $17.00 ↑ +134%
BCBS - Anthem Commercial|MCS $17.00 ↑ +134%
United Commercial|All Other Plans $17.00 ↑ +134%
United Commercial|Non-Options PPO $17.00 ↑ +134%
Aetna Commercial|HMO $17.00 ↑ +134%
Aetna Commercial|PPO $17.00 ↑ +134%
United Commercial|HMO $17.26 ↑ +137%
Health Net Medicaid|< 21 $19.35 ↑ +166%
Health Net Medicaid|> 21 $19.35 ↑ +166%
Cigna Commercial|All Other Plans $37.06 ↑ +409%
Cigna Commercial|PPO $37.06 ↑ +409%

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
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
Queen of The Valley Medical Center Napa $73.95 $14.38 – $164.46

All California hospitals for this procedure →