Mayo immunoassay tumor antigen quantitative chromogranin a 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

$143.56

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.

$485.00

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.

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The hospital's undiscounted list price — almost no one pays this.

$18.49 with United vs $86.80 with Aetna — 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.

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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.

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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.

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Negotiated rate vs. cash
United Medicaid|TennCare $18.49 ↓ -87%
United Commercial|Non-Options $20.81 ↓ -86%
United Commercial|Options $20.81 ↓ -86%
BCBS - ND Medicare|All Plans $21.64 ↓ -85%
Cigna Medicare|Healthspring $21.85 ↓ -85%
Humana Medicare|HMO $22.06 ↓ -85%
Amerigroup Medicare|All Plans $22.27 ↓ -84%
Humana Medicare|All Other Plans $22.89 ↓ -84%
Humana Medicare|PPO $22.89 ↓ -84%
Peach State Medicaid|All Plans $26.16 ↓ -82%
Amerigroup Medicaid|All Plans $26.16 ↓ -82%
Employers Health Network Commercial|All Plans $31.22 ↓ -78%
Centene Commercial|Ambetter Exchange $39.12 ↓ -73%
Cigna Commercial|LocalPlus $45.58 ↓ -68%
BCBS - TN Commercial|Network S $49.97 ↓ -65%
Cigna Commercial|Open Access $50.76 ↓ -65%
BCBS - TN Medicaid|BlueCare $52.05 ↓ -64%
BCBS - TN Commercial|Network P $63.03 ↓ -56%
Aetna Commercial|Non-Gatekeeper $86.80 ↓ -40%
Aetna Commercial|Gatekeeper $86.80 ↓ -40%

Visitor-reported prices

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Mayo immunoassay tumor antigen quantitative chromogranin a at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $224.76 $7.49 – $80.14
CHI Memorial Hospital Chattanooga Chattanooga $205.16 $18.49 – $86.80
Ascension Saint Thomas DeKalb Smithville $224.76 $14.59 – $80.14
Ascension Saint Thomas Highlands Sparta $224.76 $14.59 – $80.14
Ascension Saint Thomas River Park McMinnville $224.76 $14.59 – $80.14
Ascension Saint Thomas Rutherford Murfreesboro $224.76 $18.73 – $80.14
Ascension Saint Thomas Hickman Centerville not published $18.73 – $80.14

All Tennessee hospitals for this procedure →