Clinical Lab Assistant-Central Specimen Receiving, Full-time Night Shift
Posted Sep 29, 2026 · We last checked this listing on Oct 6, 2026
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Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a time you made a data entry mistake. How did you catch it and fix it?
What they are checking: Whether they own errors and know that entry accuracy in the LIS directly affects patient results.
This is a 10 p.m. to 6:30 a.m. shift with a weekend and holiday rotation. How have you handled overnight work before?
What they are checking: Whether they have a realistic plan to stay alert and reliable on a permanent night schedule.
What would you do
A tube comes in with a label that doesn't match the requisition. What do you do?
What they are checking: Whether they follow rejection policy instead of guessing, since a mislabeled sample can harm a patient.
A nurse calls upset that a stat result isn't back yet. How do you handle the call?
What they are checking: Whether they stay calm, track down the specimen, and give the nurse a clear answer.
You're not sure whether a sample type is acceptable for the test that's ordered. What do you do?
What they are checking: Whether they ask the right person rather than guessing, which the posting describes as using resources.
About the work
Walk me through what you check when a specimen arrives before you receive it into the LIS.
What they are checking: Whether they verify labeling, container, volume, and order match before a bad sample gets into testing.
How do you decide which specimens go to which testing area first when a big batch arrives at 2 a.m.?
What they are checking: Whether they know which tests are time sensitive, like stats or samples that must be spun or chilled fast.
What is a waived test, and what do you need to get right when you perform one?
What they are checking: Whether they understand that even simple tests need correct technique and documentation under CLS direction.
How do you register a home health specimen drop-off so nothing gets lost?
What they are checking: Whether they handle outside specimens carefully, since those have more chances for missing information.
How do you protect yourself when handling blood and body fluid specimens all night?
What they are checking: Whether they consistently follow safety and PPE practices around biohazards.
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Practice this out loudThe full job description
As published by Northwestern Medicine.