Quest Diagnostics reviews

3.2

50% would recommend to a friend

(5,669 total reviews)

Jim Davis

57% approve of CEO

48% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,669 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
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Clunky and outdated computer systems Complicated ordering process Clunky and time-consuming workflows Procedures that change often Trying to standardize across a bunch of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

1.0
Feb 6, 2026
Recommend
CEO approval
Business Outlook

Pros

It’s a job, you get paid

Cons

Management is terrible. They don’t follow ADA requirements, they have proven predators working in leadership positions and refuse to acknowledge it. Withhold important documents from former employees

Viewing 55 - 57 of 5,669 Reviews

Glassdoor has 6,060 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.