Quest Diagnostics reviews

3.2

49% would recommend to a friend

(5,679 total reviews)

Jim Davis

56% approve of CEO

47% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,679 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 Healthcare industry (3.5 stars).

Reviews by job title

6K reviews
2.0
Jun 1, 2026
Recommend
CEO approval
Business Outlook

Pros

Work life balance Fixed schedule Education benefits

Cons

Crowded lab. They've outgrown the building. Lack of resources. Lack of accountability. Collective punishment for individual wrong-doing. PTO accrual takes too long. Only 5 sick days per year.

Viewing 16 - 18 of 5,679 Reviews

Glassdoor has 6,070 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.