Infectious agent antigen immunoassay ql/sq multi step giardia at STONESPRINGS HOSPITAL CENTER

24440 Stone Springs Boulevard, Dulles, VA · HCA Virginia · · NPI 1972904738

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

$689.16

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.

$689.16

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.

$9.20 with Humana Military vs $585.79 with Three Rivers Provider Network — 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
Humana Military TRCR $9.20 ↓ -99%
Humana MCR $11.98 ↓ -98%
Devoted MCR $11.98 ↓ -98%
Johns Hopkins UniformedServicesFamilyHealthPlan $11.98 ↓ -98%
United AllPayerAppendix $11.98 ↓ -98%
Sentara Health MCR $11.98 ↓ -98%
United VACCN $11.98 ↓ -98%
United MGMCR $12.04 ↓ -98%
Aetna MGMCR $12.12 ↓ -98%
Virginia Premier Health MGMCR $12.22 ↓ -98%
Anthem MGMCR $12.34 ↓ -98%
Cigna HealthSpring MCR $12.46 ↓ -98%
Clear Spring Health Plan MCR $12.58 ↓ -98%
Align Senior Care MGMCR $12.82 ↓ -98%
Bright Health COMM $25.64 ↓ -96%
Cigna HMO $45.62 ↓ -93%
Cigna PPO $45.62 ↓ -93%
Cigna IFP $47.88 ↓ -93%
Anthem HIX $58.28 ↓ -92%
Anthem HPN $58.88 ↓ -91%
CareFirst HMO $62.48 ↓ -91%
CareFirst RPN $62.48 ↓ -91%
Anthem HMO $63.15 ↓ -91%
Anthem PPO $63.15 ↓ -91%
Lifeworks MCR $130.94 ↓ -81%
United OptionsPPO $215.02 ↓ -69%
United GlobalBenefitPlan $310.12 ↓ -55%
Greenvbrier Sporting Club COMM $413.50 ↓ -40%
Virginia Health Network WC $489.30 ↓ -29%
Virginia Health Network ULTRA $489.30 ↓ -29%
Virginia Health Network COMM $489.30 ↓ -29%
CorVel WorkersComp $496.20 ↓ -28%
Three Rivers Provider Network WC $585.79 ↓ -15%
Three Rivers Provider Network COMM $585.79 ↓ -15%
Optima Health PPO.POS not published by hospital
Optima Health HMO not published by hospital
Aetna Broad not published by hospital

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step giardia at other Virginia hospitals

Hospital City Cash price Negotiated range
LEWISGALE HOSPITAL-ALLEGHANY LOW MOOR $230.00 $10.43 – $17.37
Inova Alexandria Hospital Alexandria $113.00 $11.72 – $142.18
Inova Fairfax Hospital Falls Church $113.00 $11.72 – $142.18
Inova Fair Oaks Hospital VA 22033-1709 $113.00 $11.72 – $142.18
Inova Loudoun Hospital Leesburg $113.00 $11.72 – $142.18
Inova Mount Vernon Hospital Alexandria $113.00 $11.72 – $142.18
CJW Medical Center-Chippenham Hospital Campus CHESTERFIELD $332.00 $10.43 – $53.56
LEWISGALE HOSPITAL-MONTGOMERY CHRISTIANSBURG $206.00 $10.43 – $12.82

All Virginia hospitals for this procedure →