Quest Diagnostics

Lab Testing at Quest Diagnostics - Pasadena Bellefontaine - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Pasadena, CA 91105.

Order Lab Tests for Collection at This Location

Browse All Tests

Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

50 Bellefontaine St Ste 101
Pasadena, CA 91105
Los Angeles County

323-376-6039

Hours

Monday	6:30 AM – 5:00 PM
Tuesday	6:30 AM – 5:00 PM
Wednesday	6:30 AM – 5:00 PM
Thursday	6:30 AM – 5:00 PM
Friday	6:30 AM – 5:00 PM
Saturday	7:30 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Pasadena
50 Alessandro Pl Suite A10, Pasadena, CA 91105
0 mi
LabCorp Pasadena
310 S Lake Ave, Pasadena, CA 91101
1.3 mi
Quest Diagnostics - Pasadena North Madison - Employer Drug Testing Not Offered
65 N Madison Ave Ste 305, Pasadena, CA 91101
1.3 mi
LabCorp Pasadena
960 E Green St Ste 290, Pasadena, CA 91106
1.5 mi
Quest Diagnostics - Pasadena East Green
960 E Green St Ste 164, Pasadena, CA 91106
1.5 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.