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Medical and Clinical Laboratory Technicians

Runs the tests on blood and tissue that doctors use to diagnose illness.

Typical education to startSee the guide
Interest codeRIC Realistic, Investigative, Conventional

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Medical lab technicians and technologists analyze blood, urine and tissue samples, run lab machines, and report results doctors rely on. They work in hospital labs, reference labs and blood banks, mostly behind the scenes.

Open the medical lab technician guide

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High school courses that build toward it

Ranked by how much the job relies on what each course teaches, from O*NET's knowledge ratings. Your school's own courses and the counselor have the final word.

Medical and Clinical Laboratory Technicians on O*NET OnLine · O*NET 31.0 (U.S. Department of Labor, CC BY 4.0); BLS Employment Projections 2025.