Electron microscopy diagnostic at CHI Memorial Hospital Hixson

2051 Hamill Road, Hixson, TN · CommonSpirit Health · · NPI 1083778633

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

$250.12

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.

$845.00

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.

$48.12 with BCBS - TN vs $1,375.71 with Centene — 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
BCBS - TN Medicaid|BlueCare $48.12 ↓ -81%
United Medicaid|TennCare $192.07 ↓ -23%
Amerigroup Medicaid|All Plans $279.47 ↑ +12%
Peach State Medicaid|All Plans $279.47 ↑ +12%
Aetna Commercial|Gatekeeper $591.50 ↑ +136%
Aetna Commercial|Non-Gatekeeper $591.50 ↑ +136%
Cigna Commercial|LocalPlus $618.47 ↑ +147%
United Commercial|Non-Options $628.20 ↑ +151%
United Commercial|Options $628.20 ↑ +151%
Cigna Commercial|Open Access $688.75 ↑ +175%
BCBS - ND Medicare|All Plans $761.03 ↑ +204%
Cigna Medicare|Healthspring $768.35 ↑ +207%
Humana Medicare|HMO $775.67 ↑ +210%
Amerigroup Medicare|All Plans $782.98 ↑ +213%
Humana Medicare|All Other Plans $804.94 ↑ +222%
Humana Medicare|PPO $804.94 ↑ +222%
BCBS - TN Commercial|Network S $987.22 ↑ +295%
BCBS - TN Commercial|Network P $1,245.24 ↑ +398%
Centene Commercial|Ambetter Exchange $1,375.71 ↑ +450%

Visitor-reported prices

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Electron microscopy diagnostic at other Tennessee hospitals

Hospital City Cash price Negotiated range
CHI Memorial Hospital Chattanooga Chattanooga $357.44 $48.12 – $618.47
Ascension Saint Thomas Midtown Nashville not published $32.33 – $1,095.29
Ascension Saint Thomas DeKalb Smithville not published $32.33 – $1,194.76
Ascension Saint Thomas Highlands Sparta not published $32.33 – $1,194.76
Ascension Saint Thomas River Park McMinnville not published $48.30 – $1,194.76
Ascension Saint Thomas Rutherford Murfreesboro not published $32.33 – $1,194.76
Ascension Saint Thomas Hickman Centerville not published $141.35 – $1,194.76

All Tennessee hospitals for this procedure →