Certifying Scientist applicants have rated the interview process at Labcorp with 2.8 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 60.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Certifying Scientist roles take an average of 17 days to get hired, when considering 4 user submitted interviews for this role. To compare, the hiring process at Labcorp overall takes an average of 23 days.
Common stages of the interview process at Labcorp as a Certifying Scientist according to 4 Glassdoor interviews include:
Skills test: 25%
Phone interview: 19%
Drug test: 19%
Background check: 13%
Group panel interview: 13%
Personality test: 6%
One on one interview: 6%
Here are the most commonly searched roles for interview reports -
I applied through a recruiter. The process took 2 weeks. I interviewed at Labcorp (Phoenix, AZ) in Jul 2025
Interview
I had a virtual interview as i could not travel due to short notice, but they prefer in person at this stage. I truly enjoyed the interaction with the team (team of 3)
Interview questions [1]
Question 1
For a batch of test results, you noticed one with high ion ration but the retention time matched. What would you do?
Phone screen with HR rep.
Then next stage phone interview with hiring manager and supervisor. Then preemployment screening. If everything goes smoothly then you start work pretty fast. The questions asked were mostly technical.
I applied online. The process took 2 weeks. I interviewed at Labcorp
Interview
There was a HR call that asked why you want to work for the company. Then we set up the in person interview. Supervisor showed me around the lab and then we sat down for in person interview. The group interview went pretty well. They were all behavioral questions. I got the job offer 2 weeks later.
Interview questions [1]
Question 1
Describe a time you had to make a difficult decision and how did you tackle it.