Variable: V2_0203_SYSTEM
constV2_0203_SYSTEM:"http://terminology.hl7.org/CodeSystem/v2-0203"="http://terminology.hl7.org/CodeSystem/v2-0203"
The HL7 v2 Table 0203 identifier-type code system canonical URI - used to build Identifier.type.
(FHIR R4 terminologies-systems.html)