Quest Diagnostics at 3450 Lacey Rd, Downers Grove, IL
Quest Diagnostics patient service center, 14 miles from downtown Aurora. Open Mon closed · Tue–Fri 7:30AM – 12:00PM & 12:30PM – 4:00PM · Sat–Sun closed. Order your tests on TestWell, choose Quest 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
- 3450 Lacey Rd, Downers Grove, IL 60515
- Phone
- 630-743-4554
- Appointment
- Walk-ins at most sites · book on Quest's site to skip the wait
Hours at Quest Diagnostics, 3450 Lacey Rd
As listed by the lab on November 13, 2026; confirm before a holiday or Saturday visit.
| Monday | Closed |
|---|---|
| Tuesday | 7:30AM – 12:00PM & 12:30PM – 4:00PM |
| Wednesday | 7:30AM – 12:00PM & 12:30PM – 4:00PM |
| Thursday | 7:30AM – 12:00PM & 12:30PM – 4:00PM |
| Friday | 7:30AM – 12:00PM & 12:30PM – 4:00PM |
| Saturday | Closed |
| Sunday | Closed |
How to get a blood test at this Quest Diagnostics location
- Choose your tests and check out, picking Quest 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 3450 Lacey Rd 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 Quest Diagnostics in Aurora — prices at Quest
The tests Illinois customers order most, September 2025 – September 2026, priced for a Quest draw. Plus one $6 fee per order.
| Test | Price at Quest | Share of orders |
|---|---|---|
| Comprehensive Metabolic Panelat Quest: test number | $20.99 | 15.9% |
| Hemoglobin A1cat Quest: test number | $18.79 | 9.1% |
| TSH + Free T4at Quest: test number | $27.99 | 9.1% |
| CBC with Differentialat Quest: test number | $17.69 | 6.8% |
| Tuberculosis (TB) Blood Testat Quest: test number | $91.99 | 6.8% |
More tests drawn here, with the Quest test number
- Parietal Cell Antibody Test at Quest$139.99
- Epstein-Barr Virus (EBV) Antibody Panel at Quest$93.99
- CMV IgM Antibody Test (Cytomegalovirus) at Quest$59.99
- CMV IgG Antibody Test (Cytomegalovirus) at Quest$59.99
- CMV IgG + IgM Antibodies Test (Cytomegalovirus) at Quest$109.99
- Colon Cancer Screening Test (FIT) at Quest$59.99
- ApoE Genotype (Cardiovascular Risk) at Quest$121.99
- Free T4 Test (Thyroxine) at Quest$20.79
All 163 tests with a Quest page · Quest Diagnostics price list
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Frequently asked questions
- What are the hours at Quest Diagnostics 3450 Lacey Rd in Downers Grove?
- Mon closed · Tue–Fri 7:30AM – 12:00PM & 12:30PM – 4:00PM · Sat–Sun closed (as listed by the lab on 2026-11-13). Hours change around holidays — confirm before a Saturday or early-morning visit at 630-743-4554.
- Is Quest Diagnostics 3450 Lacey Rd open on Saturday?
- No — this location is closed on Saturday as of 2026-11-13. Quest Diagnostics at 1113 Fairview Ave (4 mi) has Saturday hours.
- Do I need an appointment at Quest Diagnostics 3450 Lacey Rd?
- Most Quest Diagnostics patient service centers take walk-ins, and Quest Diagnostics 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 Quest Diagnostics location without a doctor?
- Yes, with a requisition: Quest Diagnostics 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 Quest 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 Quest Diagnostics in Downers Grove?
- 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 $20.99, Hemoglobin A1c is $18.79, TSH + Free T4 is $27.99 drawn at Quest Diagnostics. Ordered through a doctor and billed to insurance, your share depends on your plan.
- What is the phone number for Quest Diagnostics 3450 Lacey Rd, Downers Grove?
- 630-743-4554. Phone and hours were read from the lab's listing on 2026-11-13.