referansegrenser
Referansegrenser, eller referanseintervall, are the values that define what is considered normal for a laboratory test within a defined reference population. They are used to interpret individual test results by comparing a patient’s value against what is typical for healthy people.
Typically, referansegrenser cover the central portion of a distribution of results from healthy individuals, most commonly
Construction of referansegrenser requires careful standardization. Important factors include the selection of a healthy reference population,
Limitations exist: an abnormal result outside the reference interval does not by itself diagnose disease; conversely,