Category User guide Organisation Logical Observation Identifiers Names and Codes (LOINC) Type Standard Access Open Status Active This document covers topics related to performing a search using the RELMA (Regenstrief LOINC Mapping Assistant) mapping screen. It includes information to assist users in interpreting search results, searching for multiple terms, and using wildcards in the keywords.Main sections:· How local words are used in a search· Expressing an AND condition· Searching the database using wildcards in the keywords: * and?· Expressing a NOT condition· Expressing an OR condition