Assay of interleukin-6 (il-6) at Mercy Hospitals – Bakersfield

2215 Truxtun Ave., Bakersfield, CA · CommonSpirit Health · · NPI 1104981661

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$24.12

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.

$65.00

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.

$9.34 with Western Growers vs $17.56 with United — 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
Western Growers Commercial|All Plans $9.34 ↓ -61%
Blue Shield CA Commercial|Exchange $11.96 ↓ -50%
CHN Sun View Commercial|All Plans $12.15 ↓ -50%
First Health Commercial|All Plans $13.08 ↓ -46%
Healthsmart Commercial|All Plans $14.20 ↓ -41%
United Commercial|Options PPO $14.58 ↓ -40%
United Commercial|All Other Plans $14.58 ↓ -40%
United Commercial|Non-Options PPO $14.76 ↓ -39%
Blue Shield CA Commercial|All Other Plans $14.95 ↓ -38%
MultiPlan Commercial|All Plans $14.95 ↓ -38%
United Commercial|HMO $17.56 ↓ -27%

Visitor-reported prices

visitor-reported
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Assay of interleukin-6 (il-6) at other California hospitals

Hospital City Cash price Negotiated range
Bakersfield Memorial Hospital Bakersfield $23.86 $9.34 – $18.50
St. John's Camarillo Hospital Camarillo $28.47 $17.55 – $50.70
Banner Lassen Medical Center Susanville $36.93 $3.45 – $57.23
Petaluma Valley Hospital Petaluma $106.03 $16.92 – $37.98
Arroyo Grande Hospital Santa Maria $27.82 $9.34 – $18.31
Mark Twain Medical Center San Andreas $43.29 $4.81 – $18.19
French Hospital San Luis Obispo $25.48 $5.05 – $18.31
Queen of The Valley Medical Center Napa $106.03 $17.27 – $47.99

All California hospitals for this procedure →