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Definition of Objective Data for RNs

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In nursing, objective data is any information you can gather through observation and testing. It's information you can see, hear, smell or otherwise observe for yourself. Subjective data, on the other hand, is information that comes from the patient and includes symptoms and any information the patient tells you.

Use of Objective Data

Objective data is particularly important when treating a patient because it provides important clues as to what is wrong. Many illnesses can cause a headache or an upset stomach, which are pieces of subjective data the patient supplies. But not all illnesses are accompanied by a fever, rash, elevated blood pressure or other observable, measurable problems. Objective data should always be charted as it is factual information relevant to patient care. Subjective data from the patient, a spouse or visiting friend can be included in the chart but only if the information is helpful or potentially relevant.

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Writing professionally since 2008, Michelle Miley specializes in home and garden topics but frequently pens career, style and marketing pieces. Her essays have been used on college entrance exams and she has more than 4,000 publishing credits. She holds an Associate of Applied Science in accounting, having graduated summa cum laude.

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