LOINC Clinical Document Ontology

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Project Information

Link to Project Insight Searchable Database Entry

  • Brief description of project:

This project will define and bring to ballot an implementation guide for querying for and retrieving documents using the dimensions of and values from the LOINC Clinical Document Ontology. We will provide implementation guidance that defines the standardized query and retrieval syntax to use to interact with LOINC encoded clinical documents.

Additionally, as part of this effort, we will refine the structure of the referenced LOINC Clinical Document Ontology to position it for use as a national standard in the US. The revisions to the existing ontology will be to harmonize in document types in use by US Military Healthcare organizations.

  • Project Facilitators:
Sponsor Nancy Orvis nancy.j.orvis.civ@mail.mil
Lead Erik Pupo
Lead Russell Ott rott@deloitte.com
Vocabulary Ted Klein ted@tklein.com

Meeting Information


The LOINC Clinical Document Ontology Implementation Guide was released for ballot on September 3, 2013, as part of the September 2013 Ballot Cycle

Ballot reconciliation was completed and approved on March 27, 2014 and subsequent publication approval was provided by the SDWG during the May 2015 WGM in Paris.

The DSTU has been issued for 2 years expiring on July 17, 2017.

The published IG can be accessed at the following URL: http://www.hl7.org/implement/standards/product_brief.cfm?product_id=402

Issues/Hot Topics

Project Documents

Drafts of the Implementation Guide that have been publicly distributed on HL7 listservs can be found below:

Version Document Link Date Distributed
v00 File:IG LOINC ClinDocOntology DSTU v00 20130807.docx
File:LOINC Document Ontology Extract 20130807.xlsx
v01 File:IG LOINC ClinDocOntology DSTU v01 20130821.docx
File:LOINC Document Ontology Extract 20130807.xlsx