Union of http://terminology.hl7.org/CodeSystem/evidence-variable-constraint and http://terminology.hl7.org/CodeSystem/evidence-variable-constraint

This is the CodeSystem that contains all the codes in Evidence Variable Constraint (http://terminology.hl7.org/CodeSystem/evidence-variable-constraint) and Evidence Variable Constraint (http://terminology.hl7.org/CodeSystem/evidence-variable-constraint). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 8f4cb24f-6ed6-40dc-8ea3-5def435c64b4-440

This code system http://hl7.org/fhir/comparison/CodeSystem/8f4cb24f-6ed6-40dc-8ea3-5def435c64b4-440 defines codes, but no codes are represented here

CodeDisplayDefinition
alphanumeric-only Alphanumeric Characters OnlyString values that are restricted to only numbers and letters [A-Za-z0-9].
alphanumeric-space-only Alphanumeric and Space Characters OnlyString values that are restricted to only numbers, letters, and spaces [A-Za-z0-9\s].
range-zero-to-one Range Zero to OneNumeric value between 0 and 1, inclusive.