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contamination

The presence of germs or harmful substances on something that should be clean or sterile.

kun-tam-ih-NAY-shun noun

Word parts

con- with, togethertamin touch-ation the process of

What it means

When an item, surface, wound, specimen or sterile field comes in contact with microorganisms or other unwanted material. A sterile item touched by anything non-sterile is contaminated and must not be used. A urine specimen contaminated by skin bacteria can show a false infection. Food and water contamination can spread illness.

For the nurse

If a sterile field or item might be contaminated, treat it as contaminated and replace it. Clean your hands after touching anything that may be contaminated, and handle soiled linen away from your uniform.

At a glance

Spanishcontaminación
Also writtencontaminated, contaminate, contaminates, contaminating

Related terms

hand hygiene

Cleaning the hands with soap and water or an alcohol-based hand rub.

specimen

A sample of blood, urine, stool, tissue or other body material collected for testing.

sterile

Free of all living microorganisms; also, unable to have children.

transmission

The passing of an infection from one person, animal or object to another.

surgical asepsis

Practices that keep an area or object completely free of microorganisms; also called sterile technique.

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