Quest Diagnostics reviews

3.2

52% would recommend to a friend

(5,665 total reviews)

Jim Davis

58% approve of CEO

49% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,665 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Quest Diagnostics employee rating is in line with the average (within 1 standard deviation) for employers within the Salud industry (3.4 stars).

Reviews by job title

6K reviews
5.0
Feb 8, 2026

Loved working here

Recommend
CEO approval
Business Outlook

Pros

Excellent management and positive atmosphere

Cons

Low pay, building is easy to get lost in

3.0
Feb 7, 2026
Recommend
CEO approval
Business Outlook

Pros

Job is not the worst and I like many of my coworkers.

Cons

Clunky and outdated computer systems Complicated ordering process Clunky and time-consuming workflows Procedures that change often Trying to standardize across a bunch of different size/volume labs Confusing PTO policies/procedures Nonsense pay caps Lack of resources needed to do the job

Viewing 49 - 51 of 5,665 Reviews

Glassdoor has 6,056 Quest Diagnostics reviews submitted anonymously by Quest Diagnostics employees. Read employee reviews and ratings on Glassdoor to decide if Quest Diagnostics is right for you.