Sodium 24 hour urine at Providence Saint John's Health Center

2121 Santa Monica Blvd, Santa Monica, CA · Providence · · NPI 1124026273

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 11, 2026

$131.25

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.

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What you pay up front if you don't use insurance.

$375.00

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.

$5.06 with Aetna vs $46.31 with Blue Shield — 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
Aetna Medicare Managed Care Plan $5.06 ↓ -96%
Humana Choicecare Medicare Managed Care Plan $5.16 ↓ -96%
Central Health Plan Medicare Managed Care Plan $5.57 ↓ -96%
La Care Health Plan Covered Ca Exchange $6.58 ↓ -95%
Blue Cross Anthem Vivity City Of La Other Commercial Plan $7.18 ↓ -95%
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $8.08 ↓ -94%
Healthnet Ambetter Hmo $9.36 ↓ -93%
Unitedhealthcare All Commercial Plans $10.12 ↓ -92%
Unitedhealthcare Select/Navigate Hmo $10.12 ↓ -92%
Healthnet Ambetter Ppo $10.83 ↓ -92%
Cigna All Commercial Plans $12.57 ↓ -90%
Aetna All Commercial Plans $14.14 ↓ -89%
Blue Shield Epn/Ifp Benefit Exchange $15.09 ↓ -89%
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $30.08 ↓ -77%
Blue Cross All Commercial Plans $31.17 ↓ -76%
Blue Shield Ppo/Epo $33.41 ↓ -75%
Blue Shield Hmo $33.41 ↓ -75%
Blue Shield Medicare Managed Care Plan $46.31 ↓ -65%

Visitor-reported prices

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Sodium 24 hour urine at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $67.89 $5.06 – $15.79
Banner Lassen Medical Center Susanville $17.53 $1.01 – $7.13
Petaluma Valley Hospital Petaluma $120.36 $4.96 – $39.68
Arroyo Grande Hospital Santa Maria $93.31 $2.50 – $13.04
Mark Twain Medical Center San Andreas $104.57 $5.06 – $114.66
French Hospital San Luis Obispo $85.46 $1.35 – $15.33
Mercy Hospitals – Bakersfield Bakersfield $101.66 $5.06 – $39.20
Bakersfield Memorial Hospital Bakersfield $100.56 $5.06 – $38.71

All California hospitals for this procedure →