Infectious agent antigen immunoassay ql/sq multi step cryptosporidium 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

$102.68

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.

$368.00

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.

$12.36 with HCLA vs $368.00 with US Behavioral Health — 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
HCLA Medicaid|Preferred IPA < 21 $12.36 ↓ -88%
Gold Coast Health Plan Medicaid|All Plans $12.36 ↓ -88%
Kaiser Medicaid|> 21 $12.36 ↓ -88%
Kaiser Medicaid|< 21 $12.36 ↓ -88%
HCLA Medicaid|Preferred IPA > 21 $12.36 ↓ -88%
LA Care Medicare|All Plans $13.82 ↓ -87%
First Health Commercial|All Plans $13.82 ↓ -87%
Molina Medicare|All Plans $13.82 ↓ -87%
United Medicare|All Plans $13.82 ↓ -87%
Scan Health Plan Medicare|All Plans $13.82 ↓ -87%
Blue Shield CA Medicare|All Other Plans $13.82 ↓ -87%
MHN Commercial|All Plans $13.82 ↓ -87%
HCLA Medicare|Preferred IPA $13.82 ↓ -87%
Aetna Medicare|All Plans $13.82 ↓ -87%
Health Net Medicare|All Plans $13.82 ↓ -87%
Humana Commercial|All Plans $13.82 ↓ -87%
Humana Medicare|All Plans $13.82 ↓ -87%
Kaiser Medicare|All Plans $13.82 ↓ -87%
Central Health Plan Commercial|All Plans $13.82 ↓ -87%
Central Health Plan Medicare|All Plans $13.82 ↓ -87%
BCBS - Anthem Medicare|All Plans $13.82 ↓ -87%
BCBS - Anthem Medicaid|< 21 $15.33 ↓ -85%
BCBS - Anthem Medicaid|> 21 $15.33 ↓ -85%
Health Net Medicaid|< 21 $16.57 ↓ -84%
Health Net Medicaid|> 21 $16.57 ↓ -84%
United Commercial|All Other Plans $16.58 ↓ -84%
United Commercial|HMO $16.58 ↓ -84%
LA Care Commercial|All Plans $17.27 ↓ -83%
Molina Medicaid|> 21 $17.30 ↓ -83%
Molina Medicaid|< 21 $17.30 ↓ -83%
Cigna Commercial|All Other Plans $25.19 ↓ -75%
Cigna Commercial|PPO $25.19 ↓ -75%
Aetna Commercial|All Other Plans $38.34 ↓ -63%
Aetna Commercial|PPO $38.34 ↓ -63%
Aetna Commercial|HMO $38.34 ↓ -63%
LA Care Medicaid|All Plans $39.57 ↓ -61%
Blue Shield CA Commercial|Exchange $51.52 ↓ -50%
Blue Shield CA Medicaid|All Plans $61.80 ↓ -40%
Blue Shield CA Commercial|All Other Plans $62.56 ↓ -39%
DHR Medicaid|< 21 $92.00 ↓ -10%
DHR Medicaid|> 21 $92.00 ↓ -10%
BCBS - Anthem Commercial|Vivity $99.76 ↓ -3%
BCBS - Anthem Commercial|All Other Plans $142.98 ↑ +39%
BCBS - Anthem Commercial|MCS $195.84 ↑ +91%
Blue Shield CA Medicare|BlueShield Promise $239.20 ↑ +133%
MultiPlan Commercial|All Plans $294.40 ↑ +187%
Healthsmart Commercial|All Plans $320.16 ↑ +212%
US Behavioral Health Commercial|All Plans $368.00 ↑ +258%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step cryptosporidium at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $167.76 $4.05 – $36.66
Banner Lassen Medical Center Susanville $13.39 $2.76 – $23.28
Petaluma Valley Hospital Petaluma $105.06 $13.54 – $73.37
Arroyo Grande Hospital Santa Maria $38.10 $7.50 – $35.60
Mark Twain Medical Center San Andreas $9.99 $8.12 – $14.70
French Hospital San Luis Obispo $34.89 $4.05 – $41.85
Mercy Hospitals – Bakersfield Bakersfield $24.12 $5.50 – $39.70
Bakersfield Memorial Hospital Bakersfield $23.86 $7.50 – $39.70

All California hospitals for this procedure →