--- title: Quest Diagnostics at 3450 Lacey Rd, Downers Grove, IL canonical: /lab-locations/illinois/aurora/quest-3450-lacey-rd type: lab-location lab: Quest Diagnostics address: 3450 Lacey Rd, Downers Grove, IL 60515 phone: 630-743-4554 hours: "Mon closed · Tue–Fri 7:30AM – 12:00PM & 12:30PM – 4:00PM · Sat–Sun closed" latitude: 41.8243813 longitude: -88.0308036 listing_checked: 2026-11-13 takes_testwell_orders: true lab_fee_usd: 6 --- # 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 2026-11-13. - **Address:** 3450 Lacey Rd, Downers Grove, IL 60515 ([directions](https://www.google.com/maps/dir/?api=1&destination=Quest%20Diagnostics%2C%203450%20Lacey%20Rd%2C%20Downers%20Grove%2C%20IL%2060515)) - **Phone:** 630-743-4554 - **Appointments:** walk-ins at most sites; book on Quest's site to skip the wait ## Hours | Day | Hours | | --- | --- | | 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 | Confirm before a holiday or Saturday visit. ## Popular tests drawn here — prices at Quest The tests Illinois customers order most, September 2025 – September 2026, priced for a Quest draw. Plus one $6 fee per order; nothing to pay at the location. | Test | Price at Quest | | --- | --- | | [Comprehensive Metabolic Panel at Quest](https://www.test-well.com/tests/comprehensive-metabolic-panel/quest) | $20.99 | | [Hemoglobin A1c at Quest](https://www.test-well.com/tests/hemoglobin-a1c/quest) | $18.79 | | [TSH + Free T4 at Quest](https://www.test-well.com/tests/tsh-with-free-t4/quest) | $27.99 | | [CBC with Differential at Quest](https://www.test-well.com/tests/cbc-with-differential/quest) | $17.69 | | [Tuberculosis (TB) Blood Test at Quest](https://www.test-well.com/tests/tuberculosis-blood-test/quest) | $91.99 | More tests at Quest Diagnostics: [Parietal Cell Antibody Test at Quest](https://www.test-well.com/tests/parietal-cell-antibody/quest) ($139.99) · [Epstein-Barr Virus (EBV) Antibody Panel at Quest](https://www.test-well.com/tests/ebv-antibody-panel/quest) ($93.99) · [CMV IgM Antibody Test (Cytomegalovirus) at Quest](https://www.test-well.com/tests/cmv-igm-antibody/quest) ($59.99) · [CMV IgG Antibody Test (Cytomegalovirus) at Quest](https://www.test-well.com/tests/cmv-igg-antibody/quest) ($59.99) · [CMV IgG + IgM Antibodies Test (Cytomegalovirus) at Quest](https://www.test-well.com/tests/cmv-igg-igm-antibodies/quest) ($109.99) · [Colon Cancer Screening Test (FIT) at Quest](https://www.test-well.com/tests/fit-fecal-immunochemical-test/quest) ($59.99) · [ApoE Genotype (Cardiovascular Risk) at Quest](https://www.test-well.com/tests/apoe-genotype-cardio/quest) ($121.99) · [Free T4 Test (Thyroxine) at Quest](https://www.test-well.com/tests/free-t4-test/quest) ($20.79) ## Other locations near 3450 Lacey Rd - [Quest Diagnostics, 1113 Fairview Ave](https://www.test-well.com/lab-locations/illinois/aurora/quest-1113-fairview-ave) — 4 mi - [Labcorp, 522 W Chestnut St, Ste 1B](https://www.test-well.com/lab-locations/illinois/chicago/labcorp-522-w-chestnut-st) — 5 mi - [Labcorp, 1020 E Ogden Ave, Ste 208](https://www.test-well.com/lab-locations/illinois/aurora/labcorp-1020-e-ogden-ave) — 5.7 mi - [Quest Diagnostics, 340 E North Ave](https://www.test-well.com/lab-locations/illinois/aurora/quest-340-e-north-ave) — 5.7 mi - [Quest Diagnostics, 640 S Washington St, Ste 140](https://www.test-well.com/lab-locations/illinois/aurora/quest-640-s-washington-st) — 7.2 mi - [Quest Diagnostics, 484 W Boughton Rd, Ste 100](https://www.test-well.com/lab-locations/illinois/aurora/quest-484-w-boughton-rd) — 8.5 mi ## 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. - [All lab locations in Aurora](https://www.test-well.com/lab-locations/illinois/aurora) - [Lab testing in Illinois](https://www.test-well.com/lab-locations/illinois) --- Canonical page: https://www.test-well.com/lab-locations/illinois/aurora/quest-3450-lacey-rd Machine-readable catalog: https://www.test-well.com/api/catalog.json · MCP server: https://www.test-well.com/mcp · Overview for agents: https://www.test-well.com/llms.txt 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.