Lab tests
Partial thromboplastin time (PTT) cost in Seattle, WA
Partial thromboplastin time (PTT) is a lab test. Many labs sell tests directly to the public for a flat cash price, often far below hospital prices.
Typical cash price
In Washington
From 82 hospital and 0 clinic prices in Washington.
Nationwide typical: $37.50 (most listed prices $7.20–$143).
Usually included: the facility fee.
Cheapest in Seattle, WA
Total price
Partial thromboplastin time (PTT)
The facility fee
How totals are compared
Every total covers the same bundle: the facility fee. Where a hospital does not publish a part, the typical published amount is added and the total is marked estimated.
Near Seattle, WA, from 20 providers. Most listed prices: $11.60–$72.
Cheapest totals nearby
- $6.02
- $11.60
- $11.60
- $6.02est. $6.02 total
Doctor fees are billed separately.
Source: Overlake Hospital Medical Center price file · checked Oct 2026 - $11.60est. $11.60 total
Doctor fees are billed separately.
Source: MultiCare Auburn Medical Center price file · checked Oct 2026 - $11.60est. $11.60 total
Doctor fees are billed separately.
Source: MultiCare Covington Medical Center price file · checked Oct 2026 - Providence Swedish Rehabilitation HospitalPartial thromboplastin time (PTT) clotting testFacility fee only$19.56est. $19.56 total
Doctor fees are billed separately. Location not independently confirmed.
Source: Providence Swedish Rehabilitation Hospital price file · checked Oct 2026 - Public Hospital District No. 1 of King County, Washington dba Valley Medical CenterPartial thromboplastin time (PTT) clotting testFacility fee only$21est. $21 total
Doctor fees are billed separately.
- $25.09est. $25.09 total
Doctor fees are billed separately.
Source: St. Anthony Hospital price file · checked Oct 2026 - $25.19est. $25.19 total
Doctor fees are billed separately.
Source: St. Anne Hospital price file · checked Oct 2026 - $25.89est. $25.89 total
Doctor fees are billed separately.
Source: St. Francis Hospital price file · checked Oct 2026 - $28est. $28 total
Doctor fees are billed separately.
Source: Snoqualmie Valley Health price file · checked Oct 2026 - $35.70est. $35.70 total
Doctor fees are billed separately.
Source: Virginia Mason Medical Center price file · checked Oct 2026 - $36est. $36 total
Doctor fees are billed separately.
Source: Swedish Edmonds Hospital price file · checked Oct 2026 - $36est. $36 total
Doctor fees are billed separately.
Source: Swedish Issaquah price file · checked Oct 2026
Common questions
Do I need a doctor's order?
In most states, direct-to-consumer labs can sell many tests without a separate doctor visit. Some states and some tests still require an order.
Is the blood draw included?
Usually yes for lab stores and booking sites. Hospitals sometimes bill the draw (venipuncture) separately.
Why are prices so different?
Each hospital and clinic sets its own cash price. Hospitals publish prices because federal rules require it; clinics and booking sites set prices to compete. The same service can cost several times more at one place than at another nearby.
Can I pay cash if I have insurance?
Yes. You can choose to self-pay. A cash price is often lower than what you would pay before meeting your deductible. Cash payments may not count toward your deductible, so check with your plan. Our cash vs. insurance tool can help you decide.
What is a Good Faith Estimate?
If you are uninsured or paying cash, providers must give you a Good Faith Estimate of the cost on request. If your final bill is $400 or more above the estimate, you can dispute it.