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Lead Special Chemistry Immunology
Posted Oct 2, 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
As lead, how would you train a newer MLT on a send-out or a high complexity test they have never done?
What they are checking: Whether they teach with competency checks and documentation rather than a quick show-and-go.
Tell me about a time you found a problem in specimen collection or processing that was affecting results.
What they are checking: Whether they trace problems upstream to the source rather than just repeating the test.
Tell me about a time you had to work short-staffed and still get stat testing out on time.
What they are checking: How they set priorities under pressure without cutting corners on quality.
What would you do
A result comes back that does not fit the patient's history at all. Walk me through your next steps.
What they are checking: Recognizing deviation from expected results and checking specimen, instrument and patient before a result goes out.
A critical value comes up and you cannot reach the nurse or provider. What do you do?
What they are checking: Knowledge of critical value escalation and documentation, which protects both the patient and the lab.
Two techs disagree about how a procedure should be done, and both say that is how they were trained. How do you settle it?
What they are checking: Whether they go back to the written procedure and fix the gap instead of picking a side.
About the work
Which special chemistry and immunology assays have you run, and on what analyzers?
What they are checking: Whether their bench experience matches the high complexity testing this section actually performs.
Your QC for an immunoassay fails one Westgard rule but not another. How do you decide what to do?
What they are checking: Whether they understand what each rule signals, so they neither ignore real error nor reject good runs.
How do you recognize and handle interference in an immunoassay, like heterophile antibodies or hemolysis?
What they are checking: Depth of knowledge in a section where a falsely normal or abnormal result can steer treatment wrong.
How do you keep a section ready for a CAP or Joint Commission inspection all year, not just the week before?
What they are checking: Whether they treat proficiency testing, maintenance logs and procedure reviews as ongoing work.
How do you decide when an instrument needs a service call versus troubleshooting it yourself?
What they are checking: Practical judgment on uptime, cost and risk when the lead owns the equipment for the section.
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Practice this out loudThe full job description
As published by Southern Illinois Healthcare.