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SOP Instance Observation

[Observation: templateId 2.16.840.1.113883.10.20.6.2.8]

A SOP Instance Observation contains the DICOM Service Object Pair (SOP) Instance information for referenced DICOM composite objects. The SOP Instance act class is used to reference both image and non-image DICOM instances. The text attribute contains the DICOM WADO reference.

  1. SHALL contain exactly one [1..1] templateId ( ) such that it
    1. SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.6.2.8"
  2. SHALL contain exactly one [1..1] @classCode="DGIMG" (CodeSystem: 2.16.840.1.113883.5.6 HL7ActClass) (CONF:9240)
  3. SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: 2.16.840.1.113883.5.1001 HL7ActMood)
  4. SHOULD contain zero or one [0..1] effectiveTime (CONF:9250)
  5. SHALL contain at least one [1..*] id (CONF:9242)
    • The @root contains an OID representing the DICOM SOP Instance UID

  6. SHOULD contain zero or one [0..1] text (CONF:9246)
  7. MAY contain zero or more [0..*] entryRelationship (CONF:9254, CONF:9255, CONF:9256)
    1. Contains @typeCode="SUBJ" SUBJ
    2. Contains exactly one [1..1] SOP Instance Observation (templateId: 2.16.840.1.113883.10.20.6.2.8)
  8. MAY contain zero or more [0..*] entryRelationship (CONF:9257, CONF:9258, CONF:15935)
    1. Contains @typeCode="RSON" RSON
    2. Contains exactly one [1..1] Purposeof Reference Observation (templateId: 2.16.840.1.113883.10.20.6.2.9)
  9. MAY contain zero or more [0..*] entryRelationship (CONF:9260, CONF:9261, CONF:15936)
    • This entryRelationship SHALL be present if the referenced DICOM object is a multiframe object and the reference does not apply to all frames

    1. Contains @typeCode="COMP" COMP
    2. Contains exactly one [1..1] Referenced Frames Observation (templateId: 2.16.840.1.113883.10.20.6.2.10)
  10. SHALL contain exactly one [1..1] code (CONF:9244), where the @code SHALL be selected from (CodeSystem: 1.2.840.10008.2.6.1 DCMUID)
  11. The effectiveTime, if present, SHALL contain exactly one [1..1] @value (CONF:9251)
  12. The effectiveTime, if present, SHALL NOT contain [0..0] low (CONF:9252)
  13. The effectiveTime, if present, SHALL NOT contain [0..0] high (CONF:9253)
  14. code SHALL contain codeSystem 1.2.840.10008.2.6.1 DCMUID and @code is an OID for a valid SOP class name UID (CONF:9245)
  15. text, if present, SHALL contain exactly one [1..1] @mediaType="application/dicom" (CONF:9247)
  16. The text, if present, SHALL contain exactly one [1..1] reference (CONF:9248)
  17. text/reference SHALL contain a @value which contains a WADO reference as a URI (CONF:9249)

SOP Instance Observation example

<observation xmlns="urn:hl7-org:v3">
  <id root="MDHT" extension="628518804"/>
  <code code="653988573"/>
  <text>Text Value</text>
  <effectiveTime>
    <low value="2013"/>
    <high value="2013"/>
  </effectiveTime>
  <entryRelationship>
    <observation>
      <id root="MDHT" extension="486190181"/>
      <code code="503175506"/>
      <text>Text Value</text>
      <effectiveTime>
        <low value="2013"/>
        <high value="2013"/>
      </effectiveTime>
    </observation>
  </entryRelationship>
  <entryRelationship>
    <observation>
      <id root="MDHT" extension="2005535108"/>
      <code code="1077437072"/>
      <text>Text Value</text>
      <effectiveTime>
        <low value="2013"/>
        <high value="2013"/>
      </effectiveTime>
      <entryRelationship>
        <observation>
          <id root="MDHT" extension="1768652912"/>
          <code code="2067525933"/>
          <text>Text Value</text>
          <effectiveTime>
            <low value="2013"/>
            <high value="2013"/>
          </effectiveTime>
        </observation>
      </entryRelationship>
    </observation>
  </entryRelationship>
</observation>