Laboratory AnalystSample Job Descriptions, Salaries, and Interview Questions

Laboratory analysts need to have exceptional analytical skills, be extremely organized, be a good communicator, and like performing chemical tests. Those working as laboratory analysts need to have experience working in a scientific environment and the protocol that comes along with that. In this position, laboratory analysts will test and analyze specimens, samples, and other materials. They must know how to use the special equipment that comes along in medical, pharmaceutical, and chemical facilities. 

Depending on the laboratory, work may vary. There may be biological samples, like DNA or blood, or environmental samples, like water and industrial waste. A day as a laboratory analyst will be spent performing test after test, working with the same materials frequently. They may also be working with other scientists or doctors while doing their experiments. Laboratory analysts need solid analytical skills, good attention to detail, strong computer skills, and excellent time management skills.

Sample job description #1

Are you looking for a work environment where diversity and inclusion thrive? Submit your application for our Laboratory Assistant opening with ABC Company today and find out what it truly means to be a part of the ABC Company team.

We are seeking a(an) Laboratory Assistant for our team to ensure that we continue to provide all patients with high quality, efficient care. Did you get into our industry for these reasons? We are an amazing team that works hard to support each other and are seeking a phenomenal addition like you who feels patient care is as meaningful as we do. We want you to apply!

As a lab assistant you will be responsible for

  • Specimen collection and testing requirements and understanding specimen rejection
  • Collecting blood specimens through venipuncture methods and skin puncture practices on pediatric, neonatal, adults and geriatric patients
  • Completing appropriate specimen collection documentation
  • Following established procedures for patient identification and specimen collection based test orders
  • Educating patient and/or family regarding specimen collection procedures prior to obtaining specimen
  • Using our computer information system relative to job functions
  • Clerical duties (i.e., faxing, phones, pneumatic tube system, reports)
  • Reviewing Outstanding Specimen Report (OSR) and pending specimen collections/accessioning issues; take action as appropriate


  • A completed high school diploma or GED
  • A vocational/technical diploma
  • A phlebotomy certificate is beneficial
  • Less than 1 year of experience in a clinical laboratory setting
  • Time management and customer service skills

Sample job description #2

ABC Company is currently looking for a Lab Assistant to join a clinical research organization in Tampa, FL. The Lab Assistant will perform automated and non-automated testing including DNA prep, PCR, and Sequencing for DNA processes samples for paternity testing and bone marrow matching. This is a contract role with the expectation to go full time after 6-12 months. 1st, 2nd, and 3rd shift openings.

Responsibilities for the lab assistant include:

  • Determine the acceptability of specimens for testing based on established criteria
  • Perform routine and complex technical procedures and functions according to departmental Standard Operating Procedures
  • Monitor, operate, and troubleshoot instrumentation and perform preventative maintenance
  • Assist with processing of specimen as needed

Qualifications for the lab assistant include:

  • 1+ years of relevant work or education experience
  • Bachelor’s degree in Biology, Chemistry, Medical Technology, or a related science preferred but not required

Sample job description #3

As a Laboratory Assistant, you will perform various functions in the laboratory of a technical or clerical nature. You will be responsible for phlebotomy, specimen processing, specimen plating in microbiology, histology assistance, preparing specimens for referral to other laboratories, and reporting and document filing.

  • You will perform venipuncture and capillary collection appropriate to specific age groups
  • You will collect, process, and transport specimens
  • You will identify proper tubes, containers, transport media, and storage temperature for each test type
  • You will ensure positive identification of each patient and respective samples
  • You will keep collection trays and outpatient collection area neat and well stocked
  • You will perform specimen processing for various sub departments
  • You will assist, as necessary, in microbiology, including plating cultures, setting up antigen detection assays, quality control, and maintenance checks
  • You will assist, as necessary, in histology, including performing basic procedures, performing routine maintenance, and assisting in tracking specimens
  • You will answer phones, relay messages, and transfer patient test results
  • You will distribute reports to Health Information Management, physicians, and clients
  • You will maintain records of standing orders for outpatients

What qualifications you will need:

  • Previous phlebotomy experience – preferred


  • High school diploma or GED equivalent
  • Formal phlebotomy training from an accredited program – preferred

Licenses and Certifications

  • Phlebotomy Technician (PBT) certification – preferred

Average salary and compensation

The average salary for a laboratory analyst is $51,000 in the United States. Salary will vary by market, education, experience, and company size.

LocationSalary LowSalary High
Phoenix, Arizona$50,700$68,600
Los Angeles, California$57,200$77,400
Denver, Colorado$47,700$64,500
Washington, DC$58,100$64,200
Miami, Florida$47,450$64,200
Orlando, Florida$43,800$59,250
Tampa, Florida$44,200$59,800
Atlanta, Georgia$46,400$62,750
Chicago, Illinois$53,300$72,150
Boston, Massachusetts$57,650$78,000
Minneapolis-St.Paul, Minnesota$45,950$62,150
New York City, New York$60,700$82,100
Philadelphia, Pennsylvania$49,400$66,850
Dallas, Texas$48,100$65,100
Houston, Texas$47,700$64,500
Seattle, Washington$55,500$75,000
National Average$43,350$58,650

Sample interview questions

  • What type of instruments are you familiar with?
  • How do you properly prepare a sample for testing and analysis?
  • Do you have experience with performing XYZ tests?
  • How do you prevent cross-contamination in the lab?
  • What is co-chromatography?
  • How do you handle flammable liquids?
  • What are the responsibilities of a laboratory analyst?
  • What is GLP? 
  • What are some common errors when handling a pipette?
  • How do you avoid imbalance when using a centrifuge?
  • Can you explain what a positive control is?
  • Have you ever mixed up samples or labeled a sample incorrectly? If so, how did you fix it?
  • What characteristics do you possess that make you a qualified lab analyst?
  • How would you handle a chemical spill?
  • What would you do if you noticed a colleague not following proper safety protocols?
  • What about our research interests you?
  • What are the common sterilization methods in a laboratory? Which have you used?
  • What is an aliquot?
  • Share an example of a time you exceeded expectations
  • Can you explain an effective method you have used to analyze test results?

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