Acetylcholinesterase assay at Inova Fair Oaks Hospital

3600 Joseph Siewick Drive Fairfax, VA 22033-1709, VA · Inova · · NPI 1760513980

Source: hospital's published price file ↗ · Published unknown · Ingested Aug 12, 2026

$168.00

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.

$336.00

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.

$12.29 with aetna vs $262.08 with kaiser — 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
aetna medicare advantage $12.29 ↓ -93%
united medicare advantage $12.29 ↓ -93%
united options $12.29 ↓ -93%
united nonoptions $12.29 ↓ -93%
united exchange $12.29 ↓ -93%
anthem hmo $12.29 ↓ -93%
anthem medicare advantage $12.29 ↓ -93%
anthem exchange hmo $12.29 ↓ -93%
anthem ppo $12.29 ↓ -93%
sentara health medicare advantage $12.54 ↓ -93%
kaiser medicare advantage $12.78 ↓ -92%
cigna medicare advantage $12.78 ↓ -92%
humana medicare advantage $13.52 ↓ -92%
anthem medicaid advantage $14.35 ↓ -91%
united medicaid advantage $14.64 ↓ -91%
sentara health medicaid advantage $14.78 ↓ -91%
humana medicaid advantage $14.92 ↓ -91%
aetna medicaid advantage $15.07 ↓ -91%
kaiser medicaid advantage $15.79 ↓ -91%
sentara health exchange $27.15 ↓ -84%
sentara health hmo $35.72 ↓ -79%
sentara health ppo $35.72 ↓ -79%
cigna hmo $49.95 ↓ -70%
cigna ppo $49.95 ↓ -70%
cigna exchange $49.95 ↓ -70%
carefirst hmo $70.03 ↓ -58%
carefirst ppo $77.92 ↓ -54%
aetna ppo $190.81 ↑ +14%
aetna hmo $190.81 ↑ +14%
aetna fannie-mae $200.26 ↑ +19%
innovation fully insured $211.38 ↑ +26%
innovation self insured $211.38 ↑ +26%
kaiser hmo $262.08 ↑ +56%
kaiser ppo $262.08 ↑ +56%

Visitor-reported prices

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Acetylcholinesterase assay at other Virginia hospitals

Hospital City Cash price Negotiated range
Inova Alexandria Hospital Alexandria $168.00 $12.29 – $211.38
Inova Fairfax Hospital Falls Church $168.00 $12.29 – $211.38
Inova Loudoun Hospital Leesburg $168.00 $12.29 – $211.38
Inova Mount Vernon Hospital Alexandria $168.00 $12.29 – $211.38
LEWISGALE HOSPITAL-PULASKI PULASKI $341.00 $9.44 – $13.15
LEWISGALE HOSPITAL-ALLEGHANY LOW MOOR not published $10.69 – $17.82
CJW Medical Center-Chippenham Hospital Campus CHESTERFIELD not published $10.69 – $54.95
LEWISGALE HOSPITAL-MONTGOMERY CHRISTIANSBURG not published $10.69 – $13.15

All Virginia hospitals for this procedure →