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Lab Tests And Reference Ranges

Written by Sierra Rein
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So, you need to know how to read the lab tests and reference ranges that will be coming your way. You may be an employer who needs to analyze a recent random drug test, or you could be a parent eager to speak to your child regarding these results. Whatever your reasons, always have the correct terms and their definitions clear before looking at the test scores.

"Reference ranges" are a descriptive term that is essential in interpreting any clinical lab test. While some tests, like a pregnancy strip, provides a yes/no, positive/negative answer, others rely on a pre-set context to reference. This scale, or range, is based on a collection of what is considered "normal" in healthy individuals; anything above or below this can be considered "abnormal."

Lab Tests and Reference Ranges in the Individual

Thus, while reference ranges can help with certain types of blood tests, they need to be carefully analyzed before making a final decision. Medical lab tests have to take into account all the permutations, such as age, sex, hormone cycles, diet, pregnancy, levels of exercise, and even personal occupations and hobbies. All these considerations should be taken into account and adjusted before the final answers regarding the blood and urine tests are made.

Most lab tests and reference ranges can be discussed with blood and drug testing companies before you go through with the screening process. Make sure you understand what to look out for, and be sure and tell them all the factors regarding your personal health and life habits. You will then be fully secure in coming to terms with the results.


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