CMS Price Transparency Data

Blood test, clotting time (PTT)

Facility: Stonesprings Hospital Center

Billing Code: 85730 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 85730
Insurance Median: $23
Cash Discount Price: $359
vs. Medicare Baseline: 3.83x Medicare

The contracted insurance negotiated median rate for a Blood test, clotting time (PTT) at Stonesprings Hospital Center is $23. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $359. Compared to the federal Medicare reimbursement reference rate of $6.01, this hospital’s rate is 3.83x the Medicare baseline. Located in 24440 Stone Springs Boulevard, Dulles, VA.

Cash / Self-Pay

$359

Average discount available for prompt cash payment at this facility.

Insurance Median

$23

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$6.01

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $6.01 (100%)

Cash / Self-Pay: $359 (5973%)

Insurance Median: $23 (383%)

Cash: $359 (5973% of Medicare)

Ins. Median: $23 (383% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $6.01 as the cost baseline. Rates below the baseline represent excellent value. In-network commercial rates commonly hover around 150% - 250% of Medicare, while rates exceeding 300% are elevated. Hover over the green and blue markers to view detailed calculations.

Elevated Commercial Rate Alert (Value-Gap)

The negotiated rate at this facility is 383% of the Medicare baseline (a markup of 283%). Patients with high-deductible plans or out-of-network benefits may face excessive out-of-pocket costs.

Consult Patient Advocate

Out-of-Pocket Cost Estimator

Estimate whether it is more economical to use your insurance or pay the upfront self-pay cash rate.

Billing Status

Remaining Deductible ($)

Your Coinsurance Rate (%)

Input your details and click calculate to compare out-of-pocket costs.

Commercial Insurance Negotiated Rates

Negotiated contract ranges established by major commercial carriers at this facility.

Carrier / Plan Group	Contract Rate Range	vs. Medicare Reference
Humana	$5 - $6	83%
Aetna	$6	100%
Align Senior Care	$6	100%
Blue Cross Blue Shield	$6 - $32	100%
Cigna	$6 - $24	100%
Clear Spring Health Plan	$6	100%
Devoted	$6	100%
Johns Hopkins	$6	100%
Sentara Health	$6	100%
United	$6 - $162	100%
Virginia Premier Health	$6	100%
Bright Health	$13	216%
Carefirst	$34	566%
Lifeworks	$68	1131%
Greenvbrier Sporting Club	$216	3594%
Virginia Health Network	$255	4243%
Corvel	$259	4309%
Three Rivers Provider Network	$305	5075%

Self-Pay Upfront Cash Action Plan

Request a "Self-Pay classification" with the billing desk before receiving care.
Ask for a written "Prompt-Pay Discount" agreement quoting the price of $359.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 85730.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Stonesprings Hospital Center is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 85730.
Confirm the specific physician or imaging center is also in-network (not just the hospital building).
Audit your Explanation of Benefits (EOB) against the final itemized hospital invoice.