Quest Diagnostics

Lab Testing at Quest Diagnostics - Dekalb Sycamore - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Dekalb, IL 60115.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

3244 Sycamore Rd Unit B
Dekalb, IL 60115
DeKalb County

815-901-3268

Hours

Monday	6:30 AM – 11:00, 11:30
Tuesday	6:30 AM – 11:00, 11:30
Wednesday	6:30 AM – 11:00, 11:30
Thursday	6:30 AM – 11:00, 11:30
Friday	6:30 AM – 11:00, 11:30
Saturday	Closed
Sunday	Closed

Nearby alternatives

Osf Oncall Uc - Sycamore
661 S Peace Rd Ste 101, Sycamore, IL 60178
1.3 mi
Quest Diagnostics - Elgin
885 S Randall Rd, Elgin, IL 60123
19.9 mi
LabCorp Elgin
1710 N Randall Rd Ste 240, Elgin, IL 60123
21.1 mi
Quest Diagnostics - Batavia
1180 W Wilson St Ste D, Batavia, IL 60510
21.7 mi
Tyler Medical Services
525 Tyler Rd, Saint Charles, IL 60174
22.2 mi

About this location

Quest Diagnostics Patient Service Center. 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.