{ "resourceType" : "StructureDefinition", "id" : "PIVL-TS", "text" : { "status" : "generated", "div" : "
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An interval of time that recurs periodically. Periodic intervals have two properties, phase and period. The phase specifies the "interval prototype" that is repeated every period.

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" }, "extension" : [{ "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-target", "_valueBoolean" : { "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/data-absent-reason", "valueCode" : "not-applicable" }] } }, { "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace", "valueUri" : "urn:hl7-org:v3" }, { "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-container", "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument" }], "url" : "http://hl7.org/cda/stds/core/StructureDefinition/PIVL-TS", "version" : "2.0.2-sd", "name" : "PIVL_TS", "title" : "PIVL_TS: PeriodicIntervalOfTime (V3 Data Type)", "status" : "active", "experimental" : false, "date" : "2025-12-12T15:29:54+11:00", "publisher" : "Health Level 7", "contact" : [{ "name" : "HL7 International - Structured Documents", "telecom" : [{ "system" : "url", "value" : "http://www.hl7.org/Special/committees/structure" }, { "system" : "email", "value" : "structdog@lists.HL7.org" }] }], "description" : "An interval of time that recurs periodically. Periodic intervals have two properties, phase and period. The phase specifies the \"interval prototype\" that is repeated every period.", "fhirVersion" : "5.0.0", "mapping" : [{ "identity" : "rim", "uri" : "http://hl7.org/v3", "name" : "RIM Mapping" }], "kind" : "logical", "abstract" : false, "type" : "http://hl7.org/cda/stds/core/StructureDefinition/PIVL_TS", "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/SXCM-TS", "derivation" : "specialization", "snapshot" : { "extension" : [{ "url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version", "valueString" : "2.0.2-sd" }], "element" : [{ "id" : "PIVL_TS", "path" : "PIVL_TS", "short" : "Base for all types and resources", "definition" : "A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.", "min" : 1, "max" : "*", "base" : { "path" : "Base", "min" : 0, "max" : "*" }, "isModifier" : false, "mapping" : [{ "identity" : "rim", "map" : "n/a" }] }, { "id" : "PIVL_TS.nullFlavor", "path" : "PIVL_TS.nullFlavor", "representation" : ["xmlAttr"], "label" : "Exceptional Value Detail", "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.", "min" : 0, "max" : "1", "base" : { "path" : "ANY.nullFlavor", "min" : 0, "max" : "1" }, "type" : [{ "code" : "code", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"] }], "binding" : { "strength" : "required", "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor" } }, { "id" : "PIVL_TS.value", "extension" : [{ "url" : "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-format", "valueString" : "YYYYMMDDHHMMSS.UUUU[+|-ZZzz]" }, { "url" : "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-rules", "valueString" : "year-valid" }], "path" : "PIVL_TS.value", "representation" : ["xmlAttr"], "definition" : "A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.", "min" : 0, "max" : "0", "base" : { "path" : "TS.value", "min" : 0, "max" : "1" }, "type" : [{ "code" : "dateTime", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/ts-simple"] }] }, { "id" : "PIVL_TS.operator", "path" : "PIVL_TS.operator", "representation" : ["xmlAttr"], "definition" : "A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.", "min" : 0, "max" : "1", "base" : { "path" : "SXCM_TS.operator", "min" : 0, "max" : "1" }, "type" : [{ "code" : "code", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"] }], "defaultValueCode" : "I", "binding" : { "strength" : "required", "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDASetOperator" } }, { "id" : "PIVL_TS.phase", "path" : "PIVL_TS.phase", "label" : "Phase", "definition" : "A prototype of the repeating interval, specifying the duration of each occurrence and anchors the periodic interval sequence at a certain point in time.", "min" : 0, "max" : "1", "base" : { "path" : "PIVL_TS.phase", "min" : 0, "max" : "1" }, "type" : [{ "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS" }] }, { "id" : "PIVL_TS.period", "path" : "PIVL_TS.period", "label" : "Period", "definition" : "A time duration specifying as a reciprocal measure of the frequency at which the periodic interval repeats.", "min" : 0, "max" : "1", "base" : { "path" : "PIVL_TS.period", "min" : 0, "max" : "1" }, "type" : [{ "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ" }] }, { "id" : "PIVL_TS.alignment", "path" : "PIVL_TS.alignment", "representation" : ["xmlAttr"], "label" : "Alignment to the Calendar", "definition" : "Specifies if and how the repetitions are aligned to the cycles of the underlying calendar (e.g., to distinguish every 30 days from \"the 5th of every month\".) A non-aligned periodic interval recurs independently from the calendar. An aligned periodic interval is synchronized with the calendar.", "min" : 0, "max" : "1", "base" : { "path" : "PIVL_TS.alignment", "min" : 0, "max" : "1" }, "type" : [{ "code" : "code", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"] }] }, { "id" : "PIVL_TS.institutionSpecified", "path" : "PIVL_TS.institutionSpecified", "representation" : ["xmlAttr"], "label" : "Institution Specified Timing", "definition" : "Indicates whether the exact timing is up to the party executing the schedule (e.g., to distinguish \"every 8 hours\" from \"3 times a day\".)", "min" : 0, "max" : "1", "base" : { "path" : "PIVL_TS.institutionSpecified", "min" : 0, "max" : "1" }, "type" : [{ "code" : "boolean", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"] }] }] }, "differential" : { "element" : [{ "id" : "PIVL_TS", "path" : "PIVL_TS", "min" : 1, "max" : "*" }, { "id" : "PIVL_TS.value", "path" : "PIVL_TS.value", "representation" : ["xmlAttr"], "min" : 0, "max" : "0" }, { "id" : "PIVL_TS.phase", "path" : "PIVL_TS.phase", "label" : "Phase", "definition" : "A prototype of the repeating interval, specifying the duration of each occurrence and anchors the periodic interval sequence at a certain point in time.", "min" : 0, "max" : "1", "type" : [{ "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS" }] }, { "id" : "PIVL_TS.period", "path" : "PIVL_TS.period", "label" : "Period", "definition" : "A time duration specifying as a reciprocal measure of the frequency at which the periodic interval repeats.", "min" : 0, "max" : "1", "type" : [{ "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ" }] }, { "id" : "PIVL_TS.alignment", "path" : "PIVL_TS.alignment", "representation" : ["xmlAttr"], "label" : "Alignment to the Calendar", "definition" : "Specifies if and how the repetitions are aligned to the cycles of the underlying calendar (e.g., to distinguish every 30 days from \"the 5th of every month\".) A non-aligned periodic interval recurs independently from the calendar. An aligned periodic interval is synchronized with the calendar.", "min" : 0, "max" : "1", "type" : [{ "code" : "code", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"] }] }, { "id" : "PIVL_TS.institutionSpecified", "path" : "PIVL_TS.institutionSpecified", "representation" : ["xmlAttr"], "label" : "Institution Specified Timing", "definition" : "Indicates whether the exact timing is up to the party executing the schedule (e.g., to distinguish \"every 8 hours\" from \"3 times a day\".)", "min" : 0, "max" : "1", "type" : [{ "code" : "boolean", "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"] }] }] } }