An intro to Code Systems used in FHIR

I’ve said it before: Terminology is hard. It can’t be condensed into a 200 word LinkedIn post.

Understanding the differences between CodeSystems and ValueSets, and between Codings and CodeableConcepts, is crucial for all developers working with FHIR.

They are a core component of almost every FHIR resource. You’ll encounter them every day. You have to get them right.

Dylan Klein from Flexpa wrote a great piece explaining how they all work together in FHIR. I recommend everyone take 7 minutes out of their day and read Dylan’s post.



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