Category User guide Organisation Logical Observation Identifiers Names and Codes (LOINC) Type Standard Version 2023 Access Open Status Active Updated Sep-23 This document is the fourth section of the Users' Guide for LOINC. LOINC is an international standard for identifying health measurements, observations and documents such as laboratory and clinical test results. Section 4 describes how the parts of the names of clinical observations and measures are incorporated into LOINC. Main sections:- Introduction- Atomic versus molecular (pre-coordinated names)- Radiology reports- Tumour registry Access Users' Guide: 4 - Clinical observations and measures v2023 By accessing this content, you are leaving this website. The Agency takes no responsibility for the accuracy of content on the destination page.