--- title: "Quest Diagnostics Locations in Washington, MO | Vitals Vault" description: "Find 2 Quest Diagnostics locations in Washington, Missouri. Order Vitals Vault blood testing online from $99.00, then schedule your Quest blood draw in your dashboard. See hours and directions." canonical: "https://www.vitalsvault.com/locations/mo/washington" last-updated: 2026-08-22 --- # Quest Diagnostics Locations in Washington, MO | Vitals Vault > Find 2 Quest Diagnostics locations in Washington, Missouri. Order Vitals Vault blood testing online from $99.00, then schedule your Quest blood draw in your dashboard. See hours and directions. [Missouri locations](https://www.vitalsvault.com/locations/mo) QUEST DIAGNOSTICS LOCATIONS # Lab locations in *Washington* Browse addresses, hours, and directions for Quest Diagnostics locations near Washington. Confirm current hours with Quest before visiting. **2**locations ## No lab order yet? Order online and draw at either Washington location below. Popular tests like CMP and TSH cost up to 70% less than Quest's own online prices. Single tests from $9.99, full-body panels from $99. [Choose your panel](https://www.vitalsvault.com/checkout) - Quest Diagnostics ## 901 Patients First Dr Washington, MO 63090View location - Quest Diagnostics ## 901 E 5th St, 1St Floor Washington, MO 63090View location ## Getting your blood drawn in Washington Quest Diagnostics lists 2 patient service centers in Washington, Missouri, in ZIP code 63090. Vitals Vault members order their tests online and have the blood drawn at whichever of these sites suits them; Quest collects the sample and sends it to a Quest laboratory. Opening times on file run from 6:30 AM to 5:00 PM. 1 of 2 sites with listed Saturday hours draw blood on Saturdays. ### Draw sites in Washington - [901 Patients First Dr](https://www.vitalsvault.com/locations/mo/washington/901-patients-first-dr-63090)901 Patients First Dr, Washington, MO 63090.Hours: Monday–Friday: 6:30 AM – 5:00 PM; Saturday: 8:00 AM – 12:00 PM; Sunday: Closed.Phone: 636-283-1509.Finding it: Mercy Hospital Washington. - [901 E 5th St, 1St Floor](https://www.vitalsvault.com/locations/mo/washington/901-e-5th-st-63090)901 E 5th St, 1St Floor, Washington, MO 63090.Hours: Monday–Friday: 8:00 am-5:00 pm; Saturday–Sunday: Closed.Phone: 636-239-8000. ### Before you go Fasting. Fasting depends on the tests in your order. Follow the preparation instructions provided for your panel, including how long to fast if required. During a required fast, Quest advises drinking only water. Ask your clinician about medications or supplements rather than changing them yourself. What to bring. Have your lab order or the electronic order details available, and bring photo identification. Keep your appointment confirmation handy if you booked ahead. Follow any additional instructions provided with your Vitals Vault order. ### Panels you can have drawn in Washington Any Vitals Vault order can be drawn in Washington. Essential covers 120+ lab tests for $99, Advanced covers 140+ lab tests for $199, and Max covers 160+ lab tests for $399. You can also build your own panel from single tests. A $19 lab visit fee applies to lab orders under $99, and it is shown at checkout before you pay. After checkout, choose a Washington site and a time in your dashboard. ### Other draw sites nearby If no Washington time works for you, the closest site outside the city is 1201 Wentzville Pkwy, Ste 117 in Wentzville, 20.3 miles away from the nearest Washington site. These are the nearest draw sites by straight-line distance. - [1201 Wentzville Pkwy, Ste 117](https://www.vitalsvault.com/locations/mo/wentzville/1201-wentzville-pkwy-63385)Wentzville, MO 63385, 20.3 miles away - [98 The Legends Pkwy, Ste 108](https://www.vitalsvault.com/locations/mo/eureka/98-the-legends-pkwy-63025)Eureka, MO 63025, 20.6 miles away - [3449 Pheasant Meadow Dr, Ste 101](https://www.vitalsvault.com/locations/mo/o-fallon/3449-pheasant-meadow-dr-63368)O Fallon, MO 63368, 21.2 miles away - [15945 Clayton Rd, Ste 100](https://www.vitalsvault.com/locations/mo/ballwin/15945-clayton-rd-63011)Ballwin, MO 63011, 22.7 miles away - [17300 N Outer 40, Ste 104](https://www.vitalsvault.com/locations/mo/chesterfield/17300-n-outer-40-63005)Chesterfield, MO 63005, 23.2 miles away - [4101 Mexico Rd, Ste E](https://www.vitalsvault.com/locations/mo/saint-peters/4101-mexico-rd-63376)Saint Peters, MO 63376, 28.4 miles away - [All Quest draw sites in Missouri](https://www.vitalsvault.com/locations/mo) ALREADY DECIDED? ## Pick a location after you sign up. You don’t need to choose now. Sign up first — once you’re a member, book an appointment or walk in at any partner location. [Choose your panel](https://www.vitalsvault.com/checkout?mode=build-your-own-panel) --- Canonical HTML: https://www.vitalsvault.com/locations/mo/washington - [llms.txt](https://www.vitalsvault.com/llms.txt) - [sitemap.xml](https://www.vitalsvault.com/sitemap.xml) - [Developer portal](https://www.vitalsvault.com/developers)