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Healthcare Practitioners

Medical and Clinical Laboratory Technologists

Also called: Clinical Chemist, Clinical Laboratory Scientist (CLS), Clinical Laboratory Technologist, Histologist Technologist

US median pay

—

not published

Job growth 2025–35

—

Openings a year (US)

—

Typical entry education

Bachelor's degree

Preparation 4/5 · Considerable preparation

What this job is

Perform complex medical laboratory tests for diagnosis, treatment, and prevention of disease. May train or supervise staff.

What they do day to day

  • Analyze samples of biological material for chemical content or reaction.
  • Analyze laboratory findings to check the accuracy of the results.
  • Conduct chemical analysis of body fluids, including blood, urine, or spinal fluid, to determine presence of normal or abnormal components.
  • Enter data from analysis of medical tests or clinical results into computer for storage.
  • Collect and study blood samples to determine the number of cells, their morphology, or their blood group, blood type, or compatibility for transfusion purposes, using microscopic techniques.
  • Set up, clean, and maintain laboratory equipment.
  • Operate, calibrate, or maintain equipment used in quantitative or qualitative analysis, such as spectrophotometers, calorimeters, flame photometers, or computer-controlled analyzers.
  • Establish or monitor quality assurance programs or activities to ensure the accuracy of laboratory results.
  • Supervise, train, or direct lab assistants, medical and clinical laboratory technicians or technologists, or other medical laboratory workers engaged in laboratory testing.
  • Select and prepare specimens and media for cell cultures, using aseptic technique and knowledge of medium components and cell requirements.

Skills and knowledge that matter most

Skills

  • Quality Control Analysis3.8/5
  • Operations Monitoring3.6/5
  • Time Management3.4/5
  • Operation and Control3.4/5
  • Complex Problem Solving3.4/5
  • Judgment and Decision Making3.1/5
  • Instructing3.1/5
  • Troubleshooting3.0/5

Knowledge

  • Chemistry4.2/5
  • Customer and Personal Service4.2/5
  • Computers and Electronics4.1/5
  • English Language4.0/5
  • Biology3.9/5
  • Mathematics3.9/5

Importance rated by people working in the job (1 = not important, 5 = extremely important).

Education and preparation

Preparation level 4 of 5 — Considerable preparation. Usually a bachelor's degree and several years of related experience.

Highest education of people in this job:

  • Bachelor's degree52%
  • Associate's degree32%
  • Post-baccalaureate certificate14%

Who this job suits

Mostly Investigative

Ideas, research and solving problems

Realistic

Hands-on work with tools, machines, plants or animals

Conventional

Organising data, details and procedures

Based on the Holland (RIASEC) interest profile for this occupation.

Job titles you'll see in postings

Clinical ChemistClinical Laboratory Scientist (CLS)Clinical Laboratory TechnologistHistologist TechnologistLab Tech (Laboratory Technologist)Medical Lab Technologist (Medical Laboratory Technologist)Medical Technologist (MT)Microbiology Technologist (MT)MLS (Medical Laboratory Scientist)Technologist