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02 REFERENCE RANGES ("normal ranges")




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This article is from the Interpretation Of Lab Test Profiles, by Ed Uthman uthman@neosoft.com with numerous contributions by others.

02 REFERENCE RANGES ("normal ranges")

Because reference ranges (except for some lipid studies) are
typically defined as the range of values of the median 95% of
the healthy population, it is unlikely that a given specimen,
even from a healthy patient, will show "normal" values for all
the tests in a lengthy profile. Therefore, caution should be
exercised to prevent overreaction to miscellaneous, mild
abnormalities without clinical correlate.

 

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