Global ext-1: Must have either extensions or value[x], not both ext-1: Must have either extensions or value[x], not both Global 1 global-1: All FHIR elements must have a @value or children OperationDefinition dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources dom-1: If the resource is contained in another resource, it SHALL NOT contain any narrative dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource txt-1: The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes txt-2: The narrative SHALL have some non-whitespace content cpt-2: A system is required if a value is provided. per-1: If present, start SHALL have a lower value than end qty-3: If a code for the unit is present, the system SHALL also be present rng-2: If present, low SHALL have a lower value than high qty-3: If a code for the unit is present, the system SHALL also be present qty-3: If a code for the unit is present, the system SHALL also be present ref-1: SHALL have a contained resource if a local reference is provided per-1: If present, start SHALL have a lower value than end ref-1: SHALL have a contained resource if a local reference is provided opd-1: Either a type must be provided, or parts opd-2: A search type can only be specified for parameters of type string ref-1: SHALL have a contained resource if a local reference is provided per-1: If present, start SHALL have a lower value than end ref-1: SHALL have a contained resource if a local reference is provided ref-1: SHALL have a contained resource if a local reference is provided per-1: If present, start SHALL have a lower value than end ref-1: SHALL have a contained resource if a local reference is provided