--- title: "Quest Diagnostics Locations in Diamond Bar, CA | Vitals Vault" description: "Find 1 Quest Diagnostics locations in Diamond Bar, California. 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/ca/diamond-bar" last-updated: 2026-08-22 --- # Quest Diagnostics Locations in Diamond Bar, CA | Vitals Vault > Find 1 Quest Diagnostics locations in Diamond Bar, California. Order Vitals Vault blood testing online from $99.00, then schedule your Quest blood draw in your dashboard. See hours and directions. [California locations](https://www.vitalsvault.com/locations/ca) QUEST DIAGNOSTICS LOCATIONS # Lab locations in *Diamond Bar* Browse addresses, hours, and directions for Quest Diagnostics locations near Diamond Bar. Confirm current hours with Quest before visiting. **1**location ## No lab order yet? Order online and draw at the Diamond Bar 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 ## 750 N Diamond Bar Blvd, Ste 110 Diamond Bar, CA 91765View location ## Getting your blood drawn in Diamond Bar Quest Diagnostics lists 1 patient service center in Diamond Bar, California, in ZIP code 91765. Vitals Vault members order their tests online and have the blood drawn at this site; Quest collects the sample and sends it to a Quest laboratory. Opening times on file run from 7:00 AM to 12:00 PM. The site is closed on Saturdays, so plan a weekday visit. ### Draw sites in Diamond Bar - [750 N Diamond Bar Blvd, Ste 110](https://www.vitalsvault.com/locations/ca/diamond-bar/750-n-diamond-bar-blvd-91765)750 N Diamond Bar Blvd, Ste 110, Diamond Bar, CA 91765.Hours: Monday–Friday: 7:00 AM – 12:00 PM; Saturday–Sunday: Closed.Phone: 909-282-6817.Finding it: We are located in the Diamond Bar Professional Center building. ### 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 Diamond Bar Any Vitals Vault order can be drawn in Diamond Bar. 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 Diamond Bar site and a time in your dashboard. ### Other draw sites nearby If no Diamond Bar time works for you, the closest site outside the city is 1330 W Covina Blvd, Ste 205 in San Dimas, 4.8 miles away from the nearest Diamond Bar site. These are the nearest draw sites by straight-line distance. - [1330 W Covina Blvd, Ste 205](https://www.vitalsvault.com/locations/ca/san-dimas/1330-w-covina-blvd-91773)San Dimas, CA 91773, 4.8 miles away - [250 W Bonita Ave, Bldg A](https://www.vitalsvault.com/locations/ca/pomona/250-w-bonita-ave-91767)Pomona, CA 91767, 5.4 miles away - [4028 Grand Ave, Ste B](https://www.vitalsvault.com/locations/ca/chino/4028-grand-ave-91710)Chino, CA 91710, 5.7 miles away - [554 E San Bernardino Rd, Ste 103](https://www.vitalsvault.com/locations/ca/covina/554-e-san-bernardino-rd-91723)Covina, CA 91723, 5.8 miles away - [5562 Philadelphia St, Ste 206](https://www.vitalsvault.com/locations/ca/chino/5562-philadelphia-st-91710)Chino, CA 91710, 7.1 miles away - [553 S California Ave, Ste A](https://www.vitalsvault.com/locations/ca/west-covina/553-s-california-ave-91790)West Covina, CA 91790, 7.5 miles away - [All Quest draw sites in California](https://www.vitalsvault.com/locations/ca) 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/ca/diamond-bar - [llms.txt](https://www.vitalsvault.com/llms.txt) - [sitemap.xml](https://www.vitalsvault.com/sitemap.xml) - [Developer portal](https://www.vitalsvault.com/developers)