Mayo chikv chikungunya antibodies igg 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

$26.57

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.

$95.20

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.

$1.53 with Blue Shield CA vs $82.10 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
Blue Shield CA Commercial|Exchange $1.53 ↓ -94%
Blue Shield CA Commercial|All Other Plans $1.85 ↓ -93%
DHR Medicaid|> 21 $2.72 ↓ -90%
DHR Medicaid|< 21 $2.72 ↓ -90%
Blue Shield CA Medicare|BlueShield Promise $7.07 ↓ -73%
BCBS - Anthem Commercial|Vivity $8.59 ↓ -68%
MultiPlan Commercial|All Plans $8.70 ↓ -67%
Healthsmart Commercial|All Plans $9.46 ↓ -64%
BCBS - Anthem Commercial|All Other Plans $10.01 ↓ -62%
Molina Medicaid|> 21 $10.87 ↓ -59%
United Commercial|All Other Plans $10.87 ↓ -59%
United Medicare|All Plans $10.87 ↓ -59%
United Commercial|HMO $10.87 ↓ -59%
Health Net Medicare|All Plans $10.87 ↓ -59%
Health Net Medicaid|< 21 $10.87 ↓ -59%
Health Net Medicaid|> 21 $10.87 ↓ -59%
Kaiser Medicare|All Plans $10.87 ↓ -59%
Kaiser Medicaid|< 21 $10.87 ↓ -59%
Kaiser Medicaid|> 21 $10.87 ↓ -59%
Central Health Plan Commercial|All Plans $10.87 ↓ -59%
Humana Commercial|All Plans $10.87 ↓ -59%
BCBS - Anthem Medicare|All Plans $10.87 ↓ -59%
BCBS - Anthem Commercial|MCS $10.87 ↓ -59%
BCBS - Anthem Medicaid|< 21 $10.87 ↓ -59%
BCBS - Anthem Medicaid|> 21 $10.87 ↓ -59%
Blue Shield CA Medicare|All Other Plans $10.87 ↓ -59%
Central Health Plan Medicare|All Plans $10.87 ↓ -59%
Humana Medicare|All Plans $10.87 ↓ -59%
Aetna Commercial|All Other Plans $10.87 ↓ -59%
Aetna Commercial|PPO $10.87 ↓ -59%
Aetna Medicare|All Plans $10.87 ↓ -59%
Aetna Commercial|HMO $10.87 ↓ -59%
First Health Commercial|All Plans $10.87 ↓ -59%
Molina Medicare|All Plans $10.87 ↓ -59%
Molina Medicaid|< 21 $10.87 ↓ -59%
HCLA Medicaid|Preferred IPA < 21 $10.87 ↓ -59%
HCLA Medicaid|Preferred IPA > 21 $10.87 ↓ -59%
HCLA Medicare|Preferred IPA $10.87 ↓ -59%
MHN Commercial|All Plans $10.87 ↓ -59%
US Behavioral Health Commercial|All Plans $10.87 ↓ -59%
Scan Health Plan Medicare|All Plans $10.87 ↓ -59%
Gold Coast Health Plan Medicaid|All Plans $10.87 ↓ -59%
LA Care Medicare|All Plans $10.87 ↓ -59%
LA Care Commercial|All Plans $13.59 ↓ -49%
Cigna Commercial|All Other Plans $23.48 ↓ -12%
Cigna Commercial|PPO $23.48 ↓ -12%
LA Care Medicaid|All Plans $49.90 ↑ +88%
Blue Shield CA Medicaid|All Plans $82.10 ↑ +209%

Visitor-reported prices

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Mayo chikv chikungunya antibodies igg at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $23.66 $2.94 – $34.17
Banner Lassen Medical Center Susanville $33.12 $2.58 – $18.89
Petaluma Valley Hospital Petaluma $46.80 $12.62 – $105.19
Arroyo Grande Hospital Santa Maria $52.52 $5.44 – $33.18
Mark Twain Medical Center San Andreas $91.67 $5.89 – $10.87
French Hospital San Luis Obispo $48.10 $2.94 – $39.00
Mercy Hospitals – Bakersfield Bakersfield $42.04 $5.44 – $37.00
Bakersfield Memorial Hospital Bakersfield $41.59 $5.44 – $37.00

All California hospitals for this procedure →