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Articles last updated
- 6 - Document Ontology (2 months ago)
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- LOINC Terminology Service using HL7® FHIR® (5 months ago)
- Search API (5 months ago)
- API authentication (5 months ago)
- 13 - New orderable grouper concepts (5 months ago)
- LOINC Release Notes, February 2025 (Version 2.80 Hotfix) (5 months ago)
- LOINC Ontology Content Adjustments (5 months ago)
- License (5 months ago)
Knowledge Base
- Home
- License
- LOINC Ontology Content Adjustments
- LOINC Release Notes
- Release Notes Archive
- LOINC Release Notes, February 2025 (Version 2.80 Hotfix)
- LOINC Release Notes, February 2025 (Version 2.79)
- LOINC Release Notes, August 2024 (Version 2.78)
- 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
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
- 13 – New orderable grouper concepts
- 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
LOINC APIs
Search Syntax
FAQ
- Basics
- Structure
- Content
- Technical Issues
- Mapping
- LOINC and Other Standards
- LOINC.org website
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