Mayo carnitine total and free quantitative each specimen plasma 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

$15.96

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.

$57.20

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.

$3.81 with Blue Shield CA vs $107.50 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 $3.81 ↓ -76%
Blue Shield CA Commercial|All Other Plans $4.62 ↓ -71%
DHR Medicaid|< 21 $6.80 ↓ -57%
DHR Medicaid|> 21 $6.80 ↓ -57%
Aetna Medicare|All Plans $16.87 ↑ +6%
LA Care Medicare|All Plans $16.87 ↑ +6%
First Health Commercial|All Plans $16.87 ↑ +6%
Molina Medicare|All Plans $16.87 ↑ +6%
Scan Health Plan Medicare|All Plans $16.87 ↑ +6%
Humana Commercial|All Plans $16.87 ↑ +6%
Blue Shield CA Medicare|All Other Plans $16.87 ↑ +6%
United Medicare|All Plans $16.87 ↑ +6%
Health Net Medicare|All Plans $16.87 ↑ +6%
BCBS - Anthem Medicare|All Plans $16.87 ↑ +6%
Central Health Plan Medicare|All Plans $16.87 ↑ +6%
Kaiser Medicare|All Plans $16.87 ↑ +6%
Central Health Plan Commercial|All Plans $16.87 ↑ +6%
Humana Medicare|All Plans $16.87 ↑ +6%
MHN Commercial|All Plans $16.87 ↑ +6%
HCLA Medicare|Preferred IPA $16.87 ↑ +6%
Blue Shield CA Medicare|BlueShield Promise $17.67 ↑ +11%
United Commercial|HMO $20.24 ↑ +27%
United Commercial|All Other Plans $20.24 ↑ +27%
LA Care Commercial|All Plans $21.09 ↑ +32%
BCBS - Anthem Commercial|Vivity $21.47 ↑ +35%
Kaiser Medicaid|< 21 $21.50 ↑ +35%
Kaiser Medicaid|> 21 $21.50 ↑ +35%
Gold Coast Health Plan Medicaid|All Plans $21.50 ↑ +35%
HCLA Medicaid|Preferred IPA < 21 $21.50 ↑ +35%
HCLA Medicaid|Preferred IPA > 21 $21.50 ↑ +35%
MultiPlan Commercial|All Plans $21.74 ↑ +36%
Healthsmart Commercial|All Plans $23.64 ↑ +48%
BCBS - Anthem Commercial|All Other Plans $25.00 ↑ +57%
Molina Medicaid|< 21 $27.17 ↑ +70%
Health Net Medicaid|> 21 $27.17 ↑ +70%
Health Net Medicaid|< 21 $27.17 ↑ +70%
Molina Medicaid|> 21 $27.17 ↑ +70%
US Behavioral Health Commercial|All Plans $27.17 ↑ +70%
BCBS - Anthem Commercial|MCS $27.17 ↑ +70%
BCBS - Anthem Medicaid|< 21 $27.17 ↑ +70%
BCBS - Anthem Medicaid|> 21 $27.17 ↑ +70%
Aetna Commercial|HMO $27.17 ↑ +70%
Aetna Commercial|PPO $27.17 ↑ +70%
Aetna Commercial|All Other Plans $27.17 ↑ +70%
Cigna Commercial|All Other Plans $30.77 ↑ +93%
Cigna Commercial|PPO $30.77 ↑ +93%
LA Care Medicaid|All Plans $68.80 ↑ +331%
Blue Shield CA Medicaid|All Plans $107.50 ↑ +574%

Visitor-reported prices

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Mayo carnitine total and free quantitative each specimen plasma at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $11.91 $4.28 – $44.78
Banner Lassen Medical Center Susanville $40.69 $3.37 – $27.16
Petaluma Valley Hospital Petaluma $85.17 $16.53 – $137.06
Arroyo Grande Hospital Santa Maria $23.94 $13.59 – $43.49
Mark Twain Medical Center San Andreas $18.10 $14.71 – $26.63
French Hospital San Luis Obispo $21.93 $7.34 – $51.12
Mercy Hospitals – Bakersfield Bakersfield $20.75 $13.59 – $48.50
Bakersfield Memorial Hospital Bakersfield $20.53 $13.59 – $48.50

All California hospitals for this procedure →