Run and log the analyzer
Load patient specimens into the analyzer, which measures substances in them, and keep its maintenance logs current.
Career profile
Medical Laboratory Scientist
Medical laboratory scientists test patient specimens so clinicians can identify illness and guide care.
An analyzer produces a number, and you judge whether it makes sense, dig into problems and help decide if it can be trusted.
A day in the life
Examine blood cells by microscope
At the hematology bench, you study the shapes and numbers of blood cells under a microscope.
Check a control that misses
If a known-result control misses its limits, check the instrument and procedure before trusting patient results.
Report results and explain findings
Enter results into the lab's computer system and talk a clinician through what a finding means.
Quick facts
Bachelor’s degree + clinical training
United States
Not available
Scientist-only median pay is not reported. Broader laboratory pay figures appear below.
Not available
Scientist-only growth and openings are not reported; the broader group includes technicians.
Quick orientation
Preparation, pay & outlook
Preparation
Bachelor’s degree + clinical trainingA degree paired with an accredited medical laboratory science program is an established route.
Pay
Not availableScientist-only median pay is not reported. Broader laboratory pay figures appear below.
Outlook
Not availableScientist-only growth and openings are not reported; the broader group includes technicians.
Fit, tradeoffs & changing tools
You might like this if…
- You enjoy figuring out why a measurement looks wrong.
- You can repeat careful checks without rushing past small differences.
- You like explaining a technical finding clearly to another person.
Things to weigh
- Hospital shifts may include nights, weekends, and holidays.
- Patient specimens can carry infections; protective equipment and careful handling are everyday work.
- Repeated testing still demands concentration, especially when results are needed quickly.
Where AI may help
In some specialty labs, automatic pipettors transfer samples into testing plates, reducing repetitive hand work.
What people still lead
You still check the quality of results, maintain instruments, and explain findings to clinicians.
What we can’t predict yet
As laboratories automate more steps, the balance between handling samples and investigating exceptions may shift. How far that shift goes will depend on the tests and equipment.
Pay in context
Earnings
National pay for medical laboratory scientists alone is not reported. The nearest official figures combine clinical laboratory technologists and technicians.
A broader national benchmark
For that combined group, the May 2025 median was $62,930 a year, or $30.26 an hour. The lowest 10% earned below $38,910; the highest 10% earned above $100,990. These are wage percentiles, not starting and senior salaries.
Openings across the combined group
Employment is projected to grow 3% from 2025 to 2035, with about 20,800 openings annually. Many openings replace people leaving the occupation or workforce.
Getting started
Combine your degree with clinical training
- What the route involves
- Complete university science courses, then laboratory classes and clinical rotations through an affiliated medical laboratory science program.
- What it can lead to
- You finish the degree and clinical preparation needed for the accredited-program certification route described below.
- What to check
- In a 3+1 arrangement, the clinical year is tied to a participating university; admission to that year is a separate step.
Add laboratory training after a science degree
- What the route involves
- After a biology or chemistry bachelor’s degree, complete missing prerequisites and a post-baccalaureate program with clinical rotations.
- What it can lead to
- An accredited program can provide the clinical qualification for the same certification route without repeating an entire bachelor’s degree.
- What to check
- A science degree alone does not satisfy every program’s admission requirements; check the required biology and chemistry courses.
You can build clinical laboratory training into your first degree or add it after a science degree. Check prerequisites and clinical placements before choosing a program.
After entry
Career paths
This starts where the entry routes leave off: early work, growing capability, and advancement or specialization. This path also has a credential or licensing boundary; see the requirements and limits.
Get established
Learn your laboratory’s instruments, control checks, and reporting system until you can run its routine workflow reliably.
Handle harder problems
Build skill in tracing instrument problems and checking whether a new testing method produces dependable results.
Lead a laboratory section
With experience, you may train staff or move into a supervisor role overseeing testing and quality.
- Laboratory education offers another direction: teaching students or training colleagues.
Where you can work
Hospital laboratory
You work with clinicians caring for current patients and communicate findings as testing proceeds. Round-the-clock care can mean rotating shifts and weekend coverage.
- Indoors
- Lab
- Shift work
- Safety-sensitive
Specialty reference laboratory
You may concentrate on a narrower set of tests. A neuroimmunology bench, for instance, can combine automated sample transfers with examining fluorescent patterns through a microscope.
- Indoors
- Lab
- Safety-sensitive
Try it
See whether the job clicks before you commit to the path.
Make a fictional control-results chart with an acceptable range of 9–11 and readings of 10, 10, 9, 12, and 13. Mark where you would pause and write two questions about the instrument or testing process. Notice whether checking the measurement interests you as much as getting the answer.
Stay safe: Use invented numbers only; this is a paper exercise, not a way to interpret medical results.
Sources
- O*NET OnLine. Medical and Clinical Laboratory Technologists — 29-2011.00. Accessed 2026-10-09.
- U.S. Bureau of Labor Statistics. Clinical Laboratory Technologists and Technicians. Accessed 2026-10-09.
- Mayo Clinic. Medical Lab Scientist — MCH Core Lab — ARZ. Accessed 2026-10-09.
- Mayo Clinic Laboratories. MCL @Work: Joune Twist. Accessed 2026-10-09.
- Mayo Clinic College of Medicine and Science. Medical Laboratory Science Program — How to Apply. Accessed 2026-10-09.
- Mayo Clinic College of Medicine and Science. Medical Laboratory Science Program — Curriculum. Accessed 2026-10-09.
- American Society for Clinical Pathology Board of Certification. MLS — Medical Laboratory Scientist. Accessed 2026-10-09.
- American Society for Clinical Pathology Board of Certification. Legislation, Regulations, and State Licensure. Accessed 2026-10-09.
- American Society for Clinical Pathology Board of Certification. State Licensure. Accessed 2026-10-09.