description: This extension supports data absent reason for MHA submission for patient health card and postal code. As mandated by PDS, data absent reason must be provided when health card and postal code are not present. package_name: rs/ca.on.mha.pds derivation: constraint name: MHADataAbsentReason type: Extension elements: url: pattern: {type: uri, value: 'http://ontariohealth.ca/fhir/StructureDefinition/ext-ca-on-mha-data-absent-reason'} type: uri index: 0 value: mustSupport: true choices: [valueCoding] index: 2 valueCoding: {type: Coding, mustSupport: true, choiceOf: value, index: 3} value[x]: elements: system: {mustSupport: true, index: 4} code: {mustSupport: true, index: 5} display: {mustSupport: true, index: 6} required: [code, display, system] package_version: 2.0.0-beta-1 class: extension kind: complex-type url: http://ontariohealth.ca/fhir/StructureDefinition/ext-ca-on-mha-data-absent-reason base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0