description: This extension specifies the preferred geographic area for the dispensing pharmacy, using a postal code. package_name: hl7.fhir.us.carin-rtpbc derivation: constraint name: RtpbcExtensionPreferredPharmacyPostalCode type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/carin-rtpbc/StructureDefinition/rtpbc-preferredPharmacyPostalCode'} index: 1 value: label: Preferred pharmacy postal code short: Preferred pharmacy postal code choices: [valueString] index: 3 valueString: {type: string, label: Preferred pharmacy postal code, short: Preferred pharmacy postal code, choiceOf: value, index: 4} package_version: 2.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/carin-rtpbc/StructureDefinition/rtpbc-preferredPharmacyPostalCode base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0-ballot required: [valueString, value]