Quest Diagnostics

Lab Testing at Quest Diagnostics - Irwin

Quest Diagnostics Patient Service Center in Irwin, PA 15642.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

8943 State Route 30
Irwin, PA 15642
Westmoreland County

724-863-1578

Hours

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

Nearby alternatives

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Quest Diagnostics - Monroeville
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LabCorp Monroeville
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Workwell - Monroeville
4075 Monroeville Blvd Ste 320 Bldg 2, Monroeville, PA 15146
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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.