Acetylcholinesterase assay at AdventHealth Porter

2525 S Downing St, Denver, CO · AdventHealth · · NPI 1801800594

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 10, 2026

$177.68

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.

$177.68

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.

$12.04 with Unitedhealthcare vs $41.31 with Cigna — 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
Unitedhealthcare Medicare Managed Care Plan $12.04 ↓ -93%
Aetna Medicare Managed Care Plan $12.29 ↓ -93%
Bcbs Medicare Managed Care Plan $12.41 ↓ -93%
Cigna Healthspring Medicare Managed Care Plan $12.54 ↓ -93%
Unitedhealthcare Select Colorado Other Commercial Plan $18.44 ↓ -90%
Unitedhealthcare Hmo/Ppo $18.44 ↓ -90%
Unitedhealthcare Navigate/Core/Charter/Nexusaco Other Commercial Plan $18.44 ↓ -90%
Unitedhealthcare Colorado Doctors Epo $18.44 ↓ -90%
Bcbs All Commercial Plans $20.68 ↓ -88%
Aetna Whole Health Other Commercial Plan $21.39 ↓ -88%
Denver Public Schools All Commercial Plans $21.50 ↓ -88%
Centivo All Commercial Plans $21.50 ↓ -88%
Employers Health Network All Commercial Plans $21.50 ↓ -88%
Selecthealth Hmo/Pos $22.74 ↓ -87%
Aetna Medical Rental Other Commercial Plan $23.42 ↓ -87%
Aetna Hmo/Ppo $26.74 ↓ -85%
Cigna Local Plus Other Commercial Plan $39.27 ↓ -78%
Cigna Open Choice Hmo/Ppo $41.31 ↓ -77%

Visitor-reported prices

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Acetylcholinesterase assay at other Colorado hospitals

Hospital City Cash price Negotiated range
HCA HealthONE Rocky Mountain Children's at Presbyterian St. Luke's Denver $420.75 $7.83 – $29.86
CENTRAL PARK ER, A PART OF ROSE DENVER not published $5.59 – $29.86
HCA HealthONE PRESBYTERIAN ST. LUKE'S REHABILITATION, A PART OF SPALDING REHABILITATION Denver not published $12.17 – $12.90
HCA HealthONE SKY RIDGE Lone Tree $347.20 $7.03 – $29.86
HCA HealthONE SOUTH PARKER ER, A PART OF SKY RIDGE PARKER $347.20 $7.03 – $78.66
AdventHealth Littleton Littleton $177.68 $12.04 – $22.74
AdventHealth Avista Louisville $177.68 $12.04 – $22.74
AdventHealth Castle Rock Castle Rock $177.68 $12.04 – $22.74

All Colorado hospitals for this procedure →