LOINC codes are permanent once assigned. The metadata (e.g., display name) rarely changes. However, you should check for updates twice a year when Regenstrief releases a new version. The code 13480-4 remains stable.
This mapping is often printed in a PDF interface specification document for auditors. 13480-4 pdf
Have specific questions about mapping 13480-4 in your EHR? Consult your health IT vendor or the Regenstrief help desk. LOINC codes are permanent once assigned
Unlike commercial products, LOINC is free, but it does not exist as a single "13480-4.pdf" file. Instead, you download the complete LOINC database or access specific views. display name) rarely changes. However