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 User's Guides and Manuals

• LOINC User's Guide

  The definitive document about LOINC®. Explains the rationale for LOINC®, the structure of the table, and the rules LOINC® uses for naming test results.

  Other Available Languages: [Estonian: 2008-07] [Simplified Chinese: 2007-12] [German: 2009-07] [Spanish: 2004-02] 

• RELMA Manual

  The definitive guide to using the RELMA® program.

  Other Available Languages: [Simplified Chinese: 2007-12] [Estonian: 2011 06]
  

Answers to Frequently Asked Questions

• FAQs about LOINC, RELMA, mapping, and other common issues
• How do I request a new LOINC code?
• How do I suggest a change to an existing LOINC code? -> Contact Us
  

Other Resources

• Online training and other presentations about LOINC
• Meetings, tutorials, and workshops
• Recommended readings
  
• Complete bibliography of scientific literature about LOINC
• Healthcare Code Sets, Clinical Terminologies, and Classification Systems, 2nd Edition: A terminology reference book containing a LOINC Chapter
  

Issues, Debate, and Discussion Documents

• Discussion documents, papers, and reports concerning LOINC development
  

Background Information

• Background and overview of LOINC

LOINC Community Resources

• Looking to connect with other LOINC users or have an unanswered question? Post in the online User's Forum
• Browse the online directory of LOINC adopters