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
3.0
Feb 27, 2026
Recommend
CEO approval
Business Outlook

Pros

Remote work, solid pay and benefits. Team leadership is as helpful and accommodating as they can be.

Cons

Initial training is very good, but uptraining is lacking. Room for advancement is dependent on being up trained and sometimes there aren't many uptraining options available.

Viewing 43 - 45 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.