Immunofluorescence per specimen each additional single antibody stain at Northridge Hospital Medical Center

18300 Roscoe Blvd, Northridge, CA · CommonSpirit Health · · NPI 1417089350

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

$14.23

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.

$51.00

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.

$11.25 with DHR vs $323.30 with Blue Shield CA — 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
DHR Medicaid|> 21 $11.25 ↓ -21%
DHR Medicaid|< 21 $11.25 ↓ -21%
Blue Shield CA Medicare|BlueShield Promise $29.25 ↑ +106%
BCBS - Anthem Commercial|Vivity $35.55 ↑ +150%
MultiPlan Commercial|All Plans $36.00 ↑ +153%
Healthsmart Commercial|All Plans $39.15 ↑ +175%
BCBS - Anthem Commercial|All Other Plans $41.40 ↑ +191%
United Commercial|HMO $45.00 ↑ +216%
Health Net Medicaid|< 21 $45.00 ↑ +216%
Health Net Medicaid|> 21 $45.00 ↑ +216%
Kaiser Medicaid|< 21 $45.00 ↑ +216%
Kaiser Medicaid|> 21 $45.00 ↑ +216%
BCBS - Anthem Commercial|MCS $45.00 ↑ +216%
BCBS - Anthem Medicaid|< 21 $45.00 ↑ +216%
BCBS - Anthem Medicaid|> 21 $45.00 ↑ +216%
Gold Coast Health Plan Medicaid|All Plans $45.00 ↑ +216%
US Behavioral Health Commercial|All Plans $45.00 ↑ +216%
Aetna Commercial|All Other Plans $45.00 ↑ +216%
Aetna Commercial|PPO $45.00 ↑ +216%
Aetna Commercial|HMO $45.00 ↑ +216%
Molina Medicaid|< 21 $45.00 ↑ +216%
Molina Medicaid|> 21 $45.00 ↑ +216%
United Commercial|All Other Plans $45.00 ↑ +216%
HCLA Medicaid|Preferred IPA < 21 $45.00 ↑ +216%
HCLA Medicaid|Preferred IPA > 21 $45.00 ↑ +216%
Cigna Commercial|PPO $165.94 ↑ +1066%
Cigna Commercial|All Other Plans $165.94 ↑ +1066%
LA Care Medicaid|All Plans $206.55 ↑ +1352%
Blue Shield CA Medicaid|All Plans $323.30 ↑ +2172%

Visitor-reported prices

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Immunofluorescence per specimen each additional single antibody stain at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $41.39 $13.50 – $241.49
Banner Lassen Medical Center Susanville $58.66 $56.99 – $134.83
Petaluma Valley Hospital Petaluma $90.27 $127.76 – $435.59
Arroyo Grande Hospital Santa Maria $76.70 $15.90 – $234.51
Mark Twain Medical Center San Andreas $69.72 $27.09 – $102.59
French Hospital San Luis Obispo $70.25 $8.59 – $275.69
Mercy Hospitals – Bakersfield Bakersfield $63.07 $47.24 – $261.55
Bakersfield Memorial Hospital Bakersfield $53.59 $47.24 – $261.55

All California hospitals for this procedure →