Terminology Services

The recommended approach for implementing SNOMED CT in clinical systems is using standard Terminology Services. HL7 FHIR provides the CodeSystemarrow-up-right, Valuesetsarrow-up-right, and ConceptMapsarrow-up-right resources and their corresponding operations to support access to terminologies using a standardized approach.

These are some examples of how FHIR Terminology services can be used to resolve the terminology bindings described in this guide. using a demo FHIR terminology server:

FHIR element
FHIR Terminology Services Expand Operation

AllergyIntolerance.code

If recording is based on substances and products and specifies the type of reaction in "type":

<<105590001

AllergyIntolerance.code

If recording is based on finding concepts precoordinating the type of reaction :

<<418038007

AllergyIntolerance.code

When using precoordinated Situation concepts to represent the absence of an allergic propensity

<<716186003

AllergyIntolerance. reaction.substance

<<105590001

AllergyIntolerance. reaction.manifestation

<<404684003

AllergyIntolerance. reaction.exposureRoute

<<284009009

Provide Feedback

Last updated