Variable: HL7_V2_OID_ROOT

const HL7_V2_OID_ROOT: "2.16.840.1.113883.12" = "2.16.840.1.113883.12"

The OID root under which every HL7 v2 table code system is registered: 2.16.840.1.113883.12.[table] - grounded against the FHIR R4 terminology-systems registry. The table number is appended with no leading zeros (e.g. table 0203 → …12.203).