Lab Assistant applicants have rated the interview process at Quest Diagnostics with 2.2 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 63% positive. To compare, the company-average is 60.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Lab Assistant roles take an average of 13 days to get hired, when considering 30 user submitted interviews for this role. To compare, the hiring process at Quest Diagnostics overall takes an average of 22 days.
Common stages of the interview process at Quest Diagnostics as a Lab Assistant according to 30 Glassdoor interviews include:
Phone interview: 28%
One on one interview: 25%
Skills test: 13%
Drug test: 11%
Background check: 9%
Group panel interview: 6%
IQ intelligence test: 4%
Personality test: 2%
Presentation: 2%
Here are the most commonly searched roles for interview reports -
I applied online. After 2-3 weeks, I got a phone call to schedule an interview and I talked to the hiring manager. The interview went well. I got the job offer.
I applied online. The process took 2 weeks. I interviewed at Quest Diagnostics (Irving, TX) in Aug 2025
Interview
A fairly nice conversation with two team leaders, where common questions were asked, along with small topics for conversation sake.
The two heads were nice and candid, and answered most of my questions forthright.
I applied online. I interviewed at Quest Diagnostics (Marlborough, MA) in Aug 2024
Interview
there is an initial screening with the recruiter, sometimes they may ask a few questions, others may just ask when are you available to meet for an interview with the manager
Interview questions [1]
Question 1
How do you handle stressful situations?
How do you handle conflict with another employee?
Where do you see yourself in 5 years?
I applied online. The process took 1 week. I interviewed at Quest Diagnostics (Chantilly, VA) in Jul 2024
Interview
Interview process was very straightforward.
Was contacted by their talent acquisition team after submitting application.
Then there was an in-person interview held at the workplace.
Was asked about my interest, experience, and typical behavioral interview questions.
Was also asked whether I had a question for them.
Interview finished off by the lab manager giving me a tour of the lab
Interview questions [3]
Question 1
Where would you see from 5 years from now?
Tell me more about your interest.