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Medical Laboratory Technician

Mercyhealth · Freeport, IL · $24.60–$36.91 an hour · Full time

Posted Sep 11, 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

You work seven nights on and seven off, often as the only tech. How do you handle being alone in the lab?

What they are checking: Whether they can make sound decisions independently and know when to call for help.

Tell me about a time you troubleshot an instrument problem.

What they are checking: Whether they can work through equipment problems logically and keep tests moving.

Tell me about a time you helped train a student or new coworker.

What they are checking: Whether they can teach well, since the posting mentions training staff and students.

What would you do

The ER is calling because results are taking too long. How do you handle it?

What they are checking: Whether they prioritize stat work and communicate turnaround times clearly.

About the work

Your quality control fails on the chemistry analyzer at 2 a.m. What do you do?

What they are checking: Whether they hold patient results and troubleshoot instead of releasing results that may be wrong.

A potassium comes back critically high, but the sample looks hemolyzed. What do you do?

What they are checking: Whether they recognize a likely false result and request a redraw instead of reporting it as critical.

Walk me through how you report a critical result to a nurse.

What they are checking: Whether they follow read-back and documentation rules so the result is acted on.

How do you crossmatch blood for a transfusion, and what would make you stop?

What they are checking: Whether they are careful in blood bank, where an error can kill a patient.

How do you review a CBC result before releasing it?

What they are checking: Whether they check flags, delta checks and smears instead of auto-releasing everything.

Which areas of the lab are you strongest in, and which do you need more practice with?

What they are checking: Whether they are honest about their skills across hematology, chemistry, blood bank and micro.

Practice this interview out loud.

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The full job description

As published by Mercyhealth.

OVERVIEW The Medical Laboratory Scientist/Technician performs and analyzes laboratory testing in areas such as hematology, chemistry, urinalysis, blood bank, and microbiology to ensure accurate and timely patient results. This role also performs quality control, maintains and troubleshoots laboratory equipment, collects specimens, and assists with training new partners and students. SCHEDULE: 40-hours per week SHIFT: Days ESSENTIAL DUTIES AND RESPONSIBILITIES • Utilize the Information System to receive patients, order and collect samples, result tests, answer questions from nurses and physicians, document quality control activities and produce reports required to perform job tasks. • Perform lab tests in the lab specialties of hematology, urinalysis, chemistry and blood bank or microbiology by automated and manual methods according to defined policies and procedures. • Analyze test results prior to release of information to chart for validity and accuracy. • Assure that designated turnaround times for results are met and that critical results are appropriately reported and documented. • Perform quality control and proficiency testing procedures as defined by policy • Interpret and troubleshoot quality control results to ensure accurate and precise test results. • Perform preventative maintenance, minor troubleshooting and calibration of laboratory instrumentation. • Participates in method and instrument evaluation and implementation. • Participates in teaching and training of new partners and students. • Maintain competency in current procedures and gain competency for new methods implemented. • Collect patient specimens. EDUCATION AND/OR EXPERIENCE Associate degree in medical laboratory science or military equivalent or must be qualified to perform high complexity testing according to CLIA 493.1489 Standard: Testing personnel qualifications. CERTIFICATION/LICENSURE MLT certification within one year of hire or meets CLIA 493.1489 Standard: Testing personnel qualifications on or before April 24, 1995 OTHER SKILLS AND ABILITIES N/A LEVEL OF SUPERVISION Some independent judgment is required, but alternatives are limited by standard practices or procedures. SUPERVISES This job has no supervisory responsibilities. PAY RANGE: $24.60 - $36.91 Mercyhealth is an Equal Opportunity Employer . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identify, national origin, disability, or protected veteran status. Mercyhealth offers competitive pay and a comprehensive benefits package including: • Medical, Dental, Vision • Life & Disability Insurance • FSA/HSA Options • Generous, accruing paid time off • Paid Parental and caregiver leave • Career advancement and educational opportunities • Tuition and certification reimbursement • Certification Reimbursement • Well-being Programs • Employee Discounts • On-Demand Pay • Financial Education • Annual recognition/awards events • Partner appreciation days • Family entertainment/attractions discount • Community service/improvement opportunities Click here for more details regarding Mercyhealth Careers Benefit Information. At Mercyhealth, we don’t simply hire people, we empower employee-partners who are passionate about making lives better. As an integrated health system, we deliver exceptional, coordinated across seven hospitals, 85 primary and specialty clinics, and a team of over 7,500 professionals serving northern Illinois and southern Wisconsin. Mercyhealth has been nationally recognized for our commitment to our people and culture, including: • #1 in the nation on AARP's Best Employers for Workers Over 50 • One of Working Mother magazine's 100 Best Companies for Working Mothers • A Top 50 Company and Top 10 Nonprofit for Executive Women

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