Potassium 24 hour urine at Santa Rosa Memorial Hospital

1165 Montgomery Dr, Santa Rosa, CA · Providence · · NPI 1134152549

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

$161.16

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.

$316.00

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.

$4.64 with Healthnet vs $54.17 with Blue Cross — 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
Healthnet Medicare Managed Care Plan $4.64 ↓ -97%
Aetna Medicare Managed Care Plan $4.73 ↓ -97%
Unitedhealthcare All Commercial Plans $9.46 ↓ -94%
Unitedhealthcare Select/Navigate Hmo $9.46 ↓ -94%
Aetna All Commercial Plans $33.69 ↓ -79%
Blue Cross Epo Exchange $37.76 ↓ -77%
Blue Cross Nonmcs All Commercial Plans $45.14 ↓ -72%
Blue Cross Mcs All Commercial Plans $54.17 ↓ -66%

Visitor-reported prices

visitor-reported
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Potassium 24 hour urine at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $85.85 $4.73 – $152.88
Banner Lassen Medical Center Susanville $34.43 $0.95 – $17.46
Petaluma Valley Hospital Petaluma $120.36 $4.64 – $35.12
Arroyo Grande Hospital Santa Maria $133.54 $2.50 – $12.17
Mark Twain Medical Center San Andreas $70.60 $4.73 – $103.88
French Hospital San Luis Obispo $122.31 $1.35 – $14.31
Mercy Hospitals – Bakersfield Bakersfield $88.30 $4.73 – $51.20
Bakersfield Memorial Hospital Bakersfield $87.35 $4.73 – $50.56

All California hospitals for this procedure →