Labcorp at 3601 Fremont Ave N, Suite 412, Seattle, WA
Labcorp patient service center, 2 miles from downtown Seattle. Open Mon–Fri 8:00AM – 4:30PM. Order your tests on TestWell, choose Labcorp at checkout, and walk in with the emailed requisition and a photo ID — no doctor's visit, referral or insurance; results post to your portal in 1–3 business days. Address, phone and hours were read from the lab's listing on November 13, 2026.
- Address
- 3601 Fremont Ave N, Suite 412, Seattle, WA 98103
- Phone
- 206-647-9949
- Appointment
- Walk-ins at most sites · book on Labcorp's site to skip the wait
Hours at Labcorp, 3601 Fremont Ave N
As listed by the lab on November 13, 2026; confirm before a holiday or Saturday visit.
| Monday | 8:00AM – 4:30PM |
|---|---|
| Tuesday | 8:00AM – 4:30PM |
| Wednesday | 8:00AM – 4:30PM |
| Thursday | 8:00AM – 4:30PM |
| Friday | 8:00AM – 4:30PM |
How to get a blood test at this Labcorp location
- Choose your tests and check out, picking Labcorp as your lab. A licensed physician authorizes the order, usually within minutes, and the requisition is emailed to you — one $6 lab processing fee per order, nothing to pay here.
- Come to 3601 Fremont Ave N, Suite 412 during the hours above with the requisition (on your phone is fine) and a photo ID. Fasting tests are easiest first thing in the morning.
- Results post to your TestWell portal in 1–3 business days with reference ranges and a physician review; download the report to share with your own doctor.
Popular tests drawn at Labcorp in Seattle — prices at Labcorp
The tests TestWell customers order most nationally, September 2025 – September 2026, priced for a Labcorp draw. Plus one $6 fee per order.
| Test | Price at Labcorp | Share of orders |
|---|---|---|
| Comprehensive Metabolic Panelat Labcorp: test number | $22.99 | 9.7% |
| Tuberculosis (TB) Blood Testat Labcorp: test number | $91.99 | 7.6% |
| IGF-1 (Insulin-like Growth Factor)at Labcorp: test number | $37.99 | 6.6% |
| TSH + Free T4at Labcorp: test number | $39.99 | 5.8% |
| CBC with Differentialat Labcorp: test number | $21.99 | 5.6% |
| Hemoglobin A1cat Labcorp: test number | $22.99 | 5.3% |
More tests drawn here, with the Labcorp test number
- Platelet Count Test at Labcorp$14.99
- Body Inflammation Test (ESR) at Labcorp$18.99
- Lipid Panel (Cholesterol Test) at Labcorp$24.99
- Lipid Panel with LDL/HDL Ratio at Labcorp$24.99
- ApoB Test — Heart Attack Risk Predictor at Labcorp$39.99
- Lipoprotein(a) Test at Labcorp$34.99
- Heart & Body Inflammation Test (hs-CRP) at Labcorp$34.99
- Homocysteine Test at Labcorp$28.99
Other locations near 3601 Fremont Ave N, Suite 412
- Quest Diagnostics1.9 mi
1423 Nw Market St, Seattle, WA 98107
Weekdays 7:00AM – 12:00PM & 1:00PM – 4:00PM
- Labcorp3 mi
1229 Madison St, Ste 610, Seattle, WA 98104
Weekdays 7:30AM – 4:30PM · Sat 8:00AM – 12:00PM
1101 Madison St, Suite 1210, Seattle, WA 98104
Weekdays 7:00AM – 4:00PM
5470 Shilshole Ave NW Ste 600, Seattle, WA 98107
Weekdays 7:30AM – 4:00PM
- Labcorp3.4 mi
550 17th Ave, Ste 200, Seattle, WA 98122
Weekdays 8:30AM – 5:00PM
- Labcorp4 mi
2111 N Northgate Way, Suite 218, Seattle, WA 98133
Weekdays 8:00AM – 5:00PM
Frequently asked questions
- What are the hours at Labcorp 3601 Fremont Ave N in Seattle?
- Mon–Fri 8:00AM – 4:30PM (as listed by the lab on 2026-11-13). Hours change around holidays — confirm before a Saturday or early-morning visit at 206-647-9949.
- Do I need an appointment at Labcorp 3601 Fremont Ave N?
- Most Labcorp patient service centers take walk-ins, and Labcorp lets you book a time slot on its site, which shortens the wait at busy locations. Bring a photo ID and your requisition — through TestWell it arrives by email within minutes of the physician's authorization, and it is accepted here as written.
- Can I get blood work at this Labcorp location without a doctor?
- Yes, with a requisition: Labcorp draws what a requisition orders but does not write orders. Order on TestWell — a licensed physician in our network authorizes it as part of the price, with one $6 lab processing fee per order — choose Labcorp at checkout, and walk in here. No insurance, referral or office visit; HSA and FSA cards are accepted.
- How much does a blood test cost at Labcorp in Seattle?
- Through TestWell the price is the test's listed price plus one $6 fee per order, with nothing to pay at the draw. For example, Comprehensive Metabolic Panel is $22.99, Tuberculosis (TB) Blood Test is $91.99, IGF-1 (Insulin-like Growth Factor) is $37.99 drawn at Labcorp. Ordered through a doctor and billed to insurance, your share depends on your plan.
- What is the phone number for Labcorp 3601 Fremont Ave N, Seattle?
- 206-647-9949. Phone and hours were read from the lab's listing on 2026-11-13.