HD

Hierarchic Designator

Composite
Definition: The basic definition of the HD is that it identifies an (administrative or system or application or other) entity that has responsibility for managing or assigning a defined set of instance identifiers (such as placer or filler number, patient identifiers, provider identifiers, etc.). This entity could be a particular health care application such as a registration system that assigns patient identifiers, a governmental entity such as a licensing authority that assigns professional identifiers or drivers_ license numbers, or a facility where such identifiers are assigned.
Maximum Length: 227
1Descriptionnamespace ID → Namespace ID
1Max Length→ 20
2OptionalityO → C
2Descriptionuniversal ID → Universal ID
2Max Length→ 199
3OptionalityO → C
3Descriptionuniversal ID type → Universal ID Type
3Max Length→ 6
3
Comp#FHIR
113920-OHD.1Namespace ID
2140199-C-HD.2Universal ID
31416-CHD.3Universal ID Type
19
10