http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-censusTract|4.0.1
A geographic sub-unit delineated for demographic purposes.
| type | destination |
|---|---|
| baseDefinition | http://hl7.org/fhir/StructureDefinition/Extension |
| type | http://hl7.org/fhir/StructureDefinition/Extension |
| Extension.value[x].type | http://hl7.org/fhir/StructureDefinition/string |