What Does ULN Stand For?

ULN stands for Upper Limit Of Normal

ULN, or Upper Limit of Normal, refers to the highest value within a standard range for a specific laboratory test or clinical measurement, indicating the threshold above which results may be considered abnormal or indicative of a potential health issue. It serves as a reference point for clinicians to interpret test results and make informed decisions regarding patient care.

Added on 27th September 2008 | Last edited on 16th June 2025 | Edit Acronym