NEW RELEASE: LOINC version 2.78 is now available!
Log In
Sign Up
Learn
Get Started
Knowledge Base
Videos
About LOINC
Mission, Vision, and Principles for Open Terminology Development
Strategic Plan Summary
LOINC Development
LOINC Team
Annual Reports
Funding Support
Our Pig Mascot
Articles
Workshops
Recommended Readings
Content
LOINC Mapping Guides
Specialty Subject Matters
Document Ontology
HIPAA Attachments
Newborn Screening
Social Determinants of Health
Request New LOINC Terms
New LOINC term request form
Submission Queue Stats
Submission Queue Details
LOINC Prerelease Terms
SARS-CoV-2 and COVID-19 related LOINC terms
LOINC Groups
Top Result and Order Codes
LOINC Related OIDs
Downloads
Community
LOINC Conferences
LOINC Committees
Community Forum
International
Targeted Subsets
Adopter Directory
SDO Collaboration
Technical Services
FHIR Terminology Server
LHC-Forms
Mapping Repository
News
Mailing Lists
LOINC on LinkedIn
Atlas of Users
Special Workgroups
Select Page
Knowledge Base
LOINC Release Notes
LOINC Users' Guide
Search Syntax
RELMA Manual
Frequently Asked Questions
LOINC/
RSNA Radiology Playbook User Guide
Your recent searches
Please
log in
in order to save your recent searches.
Articles last updated
User Preferences
(4 months ago)
6 - Document Ontology
(4 months ago)
Abbreviations and acronyms used in LOINC
(4 months ago)
LOINC Release Notes, February 2024 (Version 2.77)
(4 months ago)
LOINC Release Notes
(4 months ago)
License
(4 months ago)
Importing LOINC into a Database
(8 months ago)
B - Classes
(8 months ago)
Mapping Local Terms to LOINC
(9 months ago)
Requesting a new LOINC
(9 months ago)
Knowledge Base
Home
License
LOINC Release Notes
Release Notes Archive
LOINC Release Notes, February 2024 (Version 2.77)
LOINC Release Notes, September 2023 (Version 2.76)
LOINC Release Notes, August 2023 (Version 2.75)
LOINC Release Notes, February 2023 (Version 2.74)
LOINC Release Notes, August 2022 (Version 2.73)
LOINC Release Notes, February 2022 (Version 2.72)
LOINC Release Notes, August 2021 (Version 2.71)
LOINC Release Notes, June 2021 (Version 2.70)
LOINC Release Notes, December 2020 (Version 2.69)
LOINC Release Notes, June 2020 (Version 2.68) & earlier
Versioning
Enriched Linkages between LOINC terms and LOINC Parts
Abbreviations and acronyms used in LOINC
Search API
Users’ Guide
1 – Introduction
2 – Major Parts of a LOINC term
3 – Special cases
4 – Clinical observations and measures
5 – Claims attachments
6 – Document Ontology
7 – Panels (Batteries)
8 – Evolving principles for naming collections
9 – Additional content in the LOINC distribution
10 – Standardized assessment measures
11 – Editorial policies and procedures
12 – Recommendations for best practices in using and mapping to LOINC
A – LOINC Database Structure
B – Classes
C – Calculating Mod 10 Check Digits
D – Procedure for Submitting Additions or Changes to LOINC
E – Examples for LOINC Property Matching
G – LOINC Technical Briefs
D-Dimer Revisions in LOINC
Choosing the Correct LOINC for Estimated Glomerular Filtration Rate
Inducible Clindamycin Resistance in Staphylococcus and Streptococcus
KIR Gene Family
Oxygen Saturation and LOINC
Nomenclature of Salmonella Species, Subspecies, and Serovars
Segmented Neutrophils Versus Polymorphonuclear WBC
Vitamin D
Free Thyroxine Index Variants
Streptococcus pneumoniae serotype nomenclature
Non-linear Numerical Values “Binned” to Ordinal or Range
H – LOINC Committee
LOINC/RSNA Radiology Playbook User Guide
Search Syntax
Overview
Basic Search Syntax
Advanced Search Syntax
Part Search
Answer List Search
RELMA
Overview
Program Overview
Preferred Linguistic Variant
About Box
Welcome Screen
User Preferences
Searching in RELMA
Keyword Spell Check
Term File Operations
Import Local Terms
Mapping Local Terms to LOINC
Search Constraints Screen
Conducting a Search
Auto Mapper Search
Viewing LOINC Details
Mapping Your Local Term to a LOINC Term
HIPAA Claims Attachments
Lab Auto Mapper
Community Mapping Repository
Requesting a new LOINC
FAQ
Basics
Structure
Content
Technical Issues
Mapping
LOINC and Other Standards
LOINC.org website
SearchLOINC
RELMA
Importing LOINC into a Database