CodeSystem
Code Systems maintained within Snow Owl are exposed (read-only) via the endpoints /CodeSystem and /CodeSystem/{codeSystemId}. Supported concept properties are handled and returned if requested. The currently exposed code systems are:
Snow Owl OSS:
SNOMED CT
Snow Owl:
ATC
ICD-10 (and extensions)
LOINC
OPCS
Local Code Systems
Any other terminology
SNOMED CT
All standard and default SNOMED CT properties are supported, including the relationship type and concrete value properties. In addition to the FHIR SNOMED CT properties, Snow Owl can return the effective time property, with the URI http://snomed.info/field/Concept.effectiveTime.
Operations
$lookup
Both GET as well as POST HTTP methods are supported. Concepts are queried based on code, version, system or Coding. Designations are included as part of the response as well as supported concept properties when requested. No date parameter is supported.
Example for looking up properties (inactive and method) of the latest version of a SNOMED CT procedure by method code:
For SNOMED CT, all common and SNOMED CT properties are supported, including all active relationship types.
$validate-code
Both GET as well as POST HTTP methods are supported for all exposed terminologies. Example for validating a SNOMED CT code:
$subsumes
Both GET as well as POST HTTP methods are supported. Subsumption testing is supported for all terminologies, including SNOMED CT.
Example for SNOMED CT (version 2021-07-31):
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