This page is part of the FHIR Specification (v0.0.82: DSTU 1). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . Page versions: R3 R2 Using Codes Systems Value Sets v2 Tables v3 Namespaces Concept Maps Terminology Service 1.22.2.1.1557 Value Set http://hl7.org/fhir/vs/observation-valueabsentreason This is a value set defined by the FHIR project. Codes specifying why the result (Observation.value[x]) is missing Detailed Descriptions: XML or JSON . This value set contains 8 concepts 1.22.2.1.1557.1 Observation Value Absent Reason This value set defines the set of code for identifying the reason why the expected result in Observation.value[x] is missing. This value set defines its own terms in the system http://hl7.org/fhir/data-absent-reason Code Display Definition unknown Unknown The value is not known asked Asked The source human does not know the value temp Temp There is reason to expect (from the workflow) that the value may become known notasked Not Asked The workflow didn't lead to this value being known masked Masked The information is not available due to security, privacy or related reasons unsupported Unsupported The source system wasn't capable of supporting this element astext As Text The content of the data is represented in the resource narrative error Error Some system or workflow process error means that the information is not available This value set is used in the following places: StructureDefinition Cholesterol: Observation.dataAbsentReason Extensible StructureDefinition Triglyceride: Observation.dataAbsentReason Extensible StructureDefinition HDLCholesterol: Observation.dataAbsentReason Extensible StructureDefinition LDLCholesterol: Observation.dataAbsentReason Extensible Observation.dataAbsentReason ( Extensible ) StructureDefinition DAFVitalSigns: Observation.dataAbsentReason Extensible StructureDefinition DeviceMetricObservation: Observation.dataAbsentReason Extensible StructureDefinition USLabObsCode: Observation.dataAbsentReason Extensible StructureDefinition USLabObsQuantity: Observation.dataAbsentReason Extensible StructureDefinition USLabObsOther: Observation.dataAbsentReason Extensible StructureDefinition USLabObsRange: Observation.dataAbsentReason Extensible StructureDefinition USLabObsRatio: Observation.dataAbsentReason Extensible StructureDefinition USLabObsPanel: Observation.dataAbsentReason Extensible StructureDefinition DAFResultObsCode: Observation.dataAbsentReason Extensible StructureDefinition DAFResultObsQuantity: Observation.dataAbsentReason Extensible StructureDefinition DAFResultObsRange: Observation.dataAbsentReason Extensible StructureDefinition DAFResultObsRatio: Observation.dataAbsentReason Extensible StructureDefinition DAFResultObsOther: Observation.dataAbsentReason Extensible StructureDefinition DAFResultObsPanel: Observation.dataAbsentReason Extensible StructureDefinition DAFSmokingStatus: Observation.dataAbsentReason Extensible StructureDefinition Genetics: Observation.dataAbsentReason Extensible StructureDefinition QICore-Observation: Observation.dataAbsentReason Extensible StructureDefinition std: Observation.dataAbsentReason Extensible StructureDefinition stdqty: Observation.dataAbsentReason Extensible The OID for the value set is 2.16.840.1.113883.4.642.2.1557 (OIDs are not used in FHIR, but may be used in v3, or OID based terminology systems). See the full registry of value sets defined as part of FHIR. © HL7.org 2011+. FHIR DSTU (v0.4.0-4902) generated on Fri, Mar 27, 2015 00:15+1100. Links: What's a DSTU? | Version History | Specification Map | Compare to DSTU1 | | Propose a change