Is Quest Diagnostics a good company to work for as a Lab Associate?

Lab Associate professionals working at Quest Diagnostics have rated their employer with 2.6 out of 5 stars in 226 Glassdoor reviews. This is a lower than average score with the overall rating of Quest Diagnostics employees being 3.1 out of 5 stars. Search open Lab Associate Jobs at Quest Diagnostics now and start preparing for your job interview by browsing frequently asked Lab Associate interview questions at Quest Diagnostics .

Does Quest Diagnostics pay Lab Associate employees well?

Lab Associate professionals rate their compensation and benefits at Quest Diagnostics with 3.1 out of 5 stars based on 226 anonymously submitted employee reviews. This is 6.2% worse than the company average rating for salary and benefits. Find out more about Lab Associate salaries at Quest Diagnostics.

How happy are Lab Associate professionals working at Quest Diagnostics?

25% of Lab Associate employees at Quest Diagnostics would recommend their employer to a friend. This rating has decreased by 26% in the past 12 months. Lab Associate professionals have also rated Quest Diagnostics with a 2.5 rating for work-life-balance, 3.4 rating for diversity and inclusion, 2.3 rating for culture and values and 2.5 rating for career opportunities.

What are the top reviewed jobs at Quest Diagnostics?

Phlebotomist (488) , Medical Technologist (207) , Specimen Processor (127) , Lab Assistant (114) , Cerified Phlebotomist (109) , Lab Technician (83) , Phlebotomist II (55) , Forensic Scientist (51) , Patient Service Representative (51) , Customer Service Representative (45) , Clinical Laboratory Scientist (44) , Physician Account Executive (42) , Specimen Technician (41) , Account Executive (39) , Medical Laboratory Scientist (36)

What are the pros of working at Quest Diagnostics according to real employee reviews?

"Benefits with the company are good for me and my family" ((in 687 reviews)); "It’s good and good pay" ((in 406 reviews)); "I have been able to meet a few really great people who are trying to make a difference" ((in 250 reviews)); "Coworkers are great and committed to company's mission" ((in 129 reviews)); "Work life balance is good because they don't expect you to work more than your 40 hours." ((in 90 reviews))

What are the cons of working at Quest Diagnostics according to real employee reviews?

"Shows favoritism when promoting" ((in 99 reviews)); "They under pay and keep bad employees and supervisors." ((in 97 reviews)); "poor upper management, didn't value other employee's input" ((in 92 reviews)); "As long as you are under a good manager it is a great place to work.." ((in 87 reviews)); "long hours and mandatory ot" ((in 74 reviews))

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Quest Diagnostics

Quest Diagnostics Lab Associate reviews

2.6

25% would recommend to a friend

(226 total reviews)

Jim Davis

26% approve of CEO

17% positive business outlook

Ratings by category

3.4

Diversity & inclusion

3.1

Compensation and benefits

2.5

Work/Life balance

2.5

Career opportunities

2.3

Culture & values

2.1

Senior management

Lab Associate employees have rated Quest Diagnostics with 2.6 out of 5 stars, based on 226 company reviews on Glassdoor. This indicates that most Lab Associate professionals have an average working experience there. Quest Diagnostics is rated 25% below average by Lab Associate professionals compared to other employers within the Healthcare industry (3.5 stars).

Ratings by demographic groups

Race / Ethnicity

Gender

Sexual orientation

Disability

Parent or family caregiver

Veteran status

Reviews by job title

226 reviews

1.0

May 13, 2026

Inconsistent pay and management impact work-life balance

Lab associate i

Recommend

CEO approval

Business Outlook

Pros

Pay (Depends on where you work) 401K Co-workers(Depends on where you work)

Cons

Management Work/Life Balance Pay (Depends on where you work) Advancement

4.0

Feb 11, 2026

Lab Assistant

Lab assistant

Recommend

CEO approval

Business Outlook

Pros

Good environment, good work flow

Cons

just being on your feet

3.0

Feb 3, 2026

Quest

Lab assistant

Recommend

CEO approval

Business Outlook

Pros

The role involved a lot of repetitive processing, which taught me consistency and accuracy. I’m now hoping to take on responsibilities that allow me to use a broader range of skills.

Cons

There’s limited room for career growth or development without relocating or changing departments.

Viewing 1 - 3 of 226 Reviews

Jobs at Quest Diagnostics

Lab Associate II - Auto Chemistry

San Juan Capistrano, CA

$22 - $29 /hr

(Employer provided)

View job

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Quest Diagnostics

Quest Diagnostics Lab Associate reviews

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Inconsistent pay and management impact work-life balance

Lab Assistant

Quest

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