Quest Diagnostics

Lab Testing at Quest Diagnostics - Crystal Lake

Quest Diagnostics Patient Service Center in Crystal Lake, IL 60014.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

260 E Congress Pkwy Ste E
Crystal Lake, IL 60014
McHenry County

815-459-5217

Hours

Monday	7:00 AM – 3:30 PM
Tuesday	7:00 AM – 3:30 PM
Wednesday	7:00 AM – 3:30 PM
Thursday	7:00 AM – 3:30 PM
Friday	7:00 AM – 3:30 PM
Saturday	7:00 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Crystal Lake
390 E Congress Pkwy Ste H, Crystal Lake, IL 60014
0.2 mi
Quest Diagnostics - Barrington Pepper
22285 Pepper Rd Ste 107, Barrington, IL 60010
7.3 mi
LabCorp Elgin
1710 N Randall Rd Ste 240, Elgin, IL 60123
10.8 mi
LabCorp Elgin
450 Dundee Ave Ste 106, Elgin, IL 60120
12.9 mi
Quest Diagnostics - Hoffman Estates
2500 W Higgins Rd Ste 460, Hoffman Estates, IL 60169
14.7 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.