Quest Diagnostics

Lab Testing at Uchealth - Castle Rock

Quest partner location in Castle Rock, CO 80104.

Partner Location

This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 720-733-5260 before visiting to confirm they accept your lab order.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

4404 Barranca Ln
Castle Rock, CO 80104
Douglas County

720-733-5260

Hours

Monday	8:00 AM – 5:00 PM
Tuesday	8:00 AM – 5:00 PM
Wednesday	8:00 AM – 5:00 PM
Thursday	8:00 AM – 5:00 PM
Friday	8:00 AM – 5:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Castle Rock
14 E Allen St, Castle Rock, CO 80108
0.6 mi
Any Lab Test Now - Castle Rock
5646 Allen Way Ste 126, Castle Rock, CO 80108
0.7 mi
Afc Urgent Care - Castle Rock
5700 New Abbey Ln, Castle Rock, CO 80108
1.5 mi
LabCorp Castle Rock
2352 Meadows Blvd Suite 220a, Castle Rock, CO 80109
1.6 mi
Onpoint Uc - Castle Rock
1151 Aloha St Ste 200, Castle Rock, CO 80108
2.4 mi

About this location

Quest partner location. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.