SV: openEHR and IHTSDO (SNOMED CT)

2015-09-29 Thread Mikael Nyström
Hi, My impression is that IHTSDO prioritize collaboration with organizations with products that are actively used in IHTSDO:s member countries. I guess that might be the reason why collaboration with for example WHO (ICD, ICF), Regenstrief Institute (LOINC) and International Council of Nurses

SNOMED CT constraint syntax - for querying instances or terminology?

2015-09-29 Thread Thomas Beale
The latest version of the SNOMED CT constraint language proposes expressions like the following: Section 6.3 To find those capsules that have a strength between 500 and 800 mg (inclusive), the following expression constraint may be used: <

Re: SNOMED CT constraint syntax - for querying instances or terminology?

2015-09-29 Thread Michael.Lawley
Hi Thomas, These constraints are essentially queries over the snomed definitional content (ie the Relationships), not queries over external data (ie not EHRs). The intent is to identify sets of snomed concepts that satisfy the constraint criteria. These sets could be subsequently used to join