---
title: Labcorp at 3601 Fremont Ave N, Suite 412, Seattle, WA
canonical: /lab-locations/washington/seattle/labcorp-3601-fremont-ave-n
type: lab-location
lab: Labcorp
address: 3601 Fremont Ave N, Suite 412, Seattle, WA 98103
phone: 206-647-9949
hours: "Mon–Fri 8:00AM – 4:30PM"
latitude: 47.65108
longitude: -122.34252
listing_checked: 2026-11-13
takes_testwell_orders: true
lab_fee_usd: 6
---

# 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 2026-11-13.

- **Address:** 3601 Fremont Ave N, Suite 412, Seattle, WA 98103 ([directions](https://www.google.com/maps/dir/?api=1&destination=Labcorp%2C%203601%20Fremont%20Ave%20N%2C%20Suite%20412%2C%20Seattle%2C%20WA%2098103))
- **Phone:** 206-647-9949
- **Appointments:** walk-ins at most sites; book on Labcorp's site to skip the wait

## Hours

| Day | Hours |
| --- | --- |
| 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 |

Confirm before a holiday or Saturday visit.

## Popular tests drawn here — 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; nothing to pay at the location.

| Test | Price at Labcorp |
| --- | --- |
| [Comprehensive Metabolic Panel at Labcorp](https://www.test-well.com/tests/comprehensive-metabolic-panel/labcorp) | $22.99 |
| [Tuberculosis (TB) Blood Test at Labcorp](https://www.test-well.com/tests/tuberculosis-blood-test/labcorp) | $91.99 |
| [IGF-1 (Insulin-like Growth Factor) at Labcorp](https://www.test-well.com/tests/igf-1-test/labcorp) | $37.99 |
| [TSH + Free T4 at Labcorp](https://www.test-well.com/tests/tsh-with-free-t4/labcorp) | $39.99 |
| [CBC with Differential at Labcorp](https://www.test-well.com/tests/cbc-with-differential/labcorp) | $21.99 |
| [Hemoglobin A1c at Labcorp](https://www.test-well.com/tests/hemoglobin-a1c/labcorp) | $22.99 |

More tests at Labcorp: [Platelet Count Test at Labcorp](https://www.test-well.com/tests/platelet-count-test/labcorp) ($14.99) · [Body Inflammation Test (ESR) at Labcorp](https://www.test-well.com/tests/sed-rate/labcorp) ($18.99) · [Lipid Panel (Cholesterol Test) at Labcorp](https://www.test-well.com/tests/lipid-panel/labcorp) ($24.99) · [Lipid Panel with LDL/HDL Ratio at Labcorp](https://www.test-well.com/tests/lipid-panel-with-ratios/labcorp) ($24.99) · [ApoB Test — Heart Attack Risk Predictor at Labcorp](https://www.test-well.com/tests/apolipoprotein-b/labcorp) ($39.99) · [Lipoprotein(a) Test at Labcorp](https://www.test-well.com/tests/lipoprotein-a/labcorp) ($34.99) · [Heart & Body Inflammation Test (hs-CRP) at Labcorp](https://www.test-well.com/tests/hs-crp/labcorp) ($34.99) · [Homocysteine Test at Labcorp](https://www.test-well.com/tests/homocysteine/labcorp) ($28.99)

## Other locations near 3601 Fremont Ave N, Suite 412

- [Quest Diagnostics, 1423 Nw Market St](https://www.test-well.com/lab-locations/washington/seattle/quest-1423-nw-market-st) — 1.9 mi
- [Labcorp, 1229 Madison St, Ste 610](https://www.test-well.com/lab-locations/washington/seattle/labcorp-1229-madison-st) — 3 mi
- [Quest Diagnostics, 1101 Madison St, Suite 1210](https://www.test-well.com/lab-locations/washington/seattle/quest-1101-madison-st) — 3 mi
- [Coming Soon - 12/07/2026 Labcorp, 5470 Shilshole Ave NW Ste 600](https://www.test-well.com/lab-locations/washington/seattle/labcorp-5470-shilshole-ave-nw) — 3.1 mi
- [Labcorp, 550 17th Ave, Ste 200](https://www.test-well.com/lab-locations/washington/seattle/labcorp-550-17th-ave) — 3.4 mi
- [Labcorp, 2111 N Northgate Way, Suite 218](https://www.test-well.com/lab-locations/washington/seattle/labcorp-2111-n-northgate-way) — 4 mi

## 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.

- [All lab locations in Seattle](https://www.test-well.com/lab-locations/washington/seattle)
- [Lab testing in Washington](https://www.test-well.com/lab-locations/washington)

---

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Prices are cash-pay, in USD, and include physician authorization; every order adds one flat $6 lab processing fee. Educational content is not a diagnosis — discuss results with a clinician.