{
  "resourceType" : "ValueSet",
  "id" : "R5-v3-ActClassObservation-for-R4",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ValueSet R5-v3-ActClassObservation-for-R4</b></p><a name=\"R5-v3-ActClassObservation-for-R4\"> </a><a name=\"hcR5-v3-ActClassObservation-for-R4\"> </a><p>This value set expansion contains 40 concepts.</p><table class=\"codes\"><tr><td><b>System</b></td><td><b>Version</b></td><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-ALRT\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0ALRT</td><td>detected issue</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-BATTERY\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0BATTERY</td><td>battery</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-CASE\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0CASE</td><td>public health case</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-CLNTRL\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0CLNTRL</td><td>clinical trial</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-CNOD\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0CNOD</td><td>Condition Node</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-COND\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0COND</td><td>Condition</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-DETPOL\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0DETPOL</td><td>determinant peptide</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-DGIMG\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0DGIMG</td><td>diagnostic image</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-EXP\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0EXP</td><td>expression level</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-GEN\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0GEN</td><td>genomic observation</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-INVSTG\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0INVSTG</td><td>investigation</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-LLD\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0LLD</td><td>left lateral decubitus</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-LOC\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0LOC</td><td>locus</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-OBS\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0OBS</td><td>observation</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-OBSCOR\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0OBSCOR</td><td>correlated observation sequences</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-OBSSER\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0OBSSER</td><td>observation series</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-OUTB\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0OUTB</td><td>outbreak</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-PHN\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0PHN</td><td>phenotype</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-POL\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0POL</td><td>polypeptide</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-POS\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0POS</td><td>position</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-POSACC\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0POSACC</td><td>position accuracy</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-POSCOORD\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0POSCOORD</td><td>position coordinate</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-PRN\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0PRN</td><td>prone</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-RLD\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0RLD</td><td>right lateral decubitus</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-ROIBND\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0ROIBND</td><td>bounded ROI</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-ROIOVL\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0ROIOVL</td><td>overlay ROI</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-RTRD\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0RTRD</td><td>reverse trendelenburg</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-SEQ\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0SEQ</td><td>bio sequence</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-SEQVAR\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0SEQVAR</td><td>bio sequence variation</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-SFWL\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0SFWL</td><td>Semi-Fowler's</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-SIT\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0SIT</td><td>sitting</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-SPCOBS\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0SPCOBS</td><td>specimen observation</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-STN\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0STN</td><td>standing</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-SUP\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0SUP</td><td>supine</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-TRD\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0TRD</td><td>trendelenburg</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-VERIF\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0VERIF</td><td>Verification</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-_ActClassROI\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0_ActClassROI</td><td>ActClassROI</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-_ImagingSubjectOrientation\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0_ImagingSubjectOrientation</td><td>imaging subject orientation</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-_SubjectBodyPosition\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0_SubjectBodyPosition</td><td>subject body position</td></tr><tr><td><a name=\"R5-v3-ActClassObservation-for-R4-http://terminology.hl7.org/CodeSystem/v3-ActClass-_SubjectPhysicalPosition\"> </a><code>http://terminology.hl7.org/CodeSystem/v3-ActClass</code></td><td>3.1.1</td><td style=\"white-space:nowrap\">\u00a0\u00a0_SubjectPhysicalPosition</td><td>subject physical position</td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "extension" : [{
      "url" : "packageId",
      "valueId" : "hl7.fhir.uv.xver-r5.r4"
    },
    {
      "url" : "version",
      "valueString" : "0.1.0"
    },
    {
      "url" : "uri",
      "valueUri" : "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4"
    }],
    "url" : "http://hl7.org/fhir/StructureDefinition/package-source"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0,
    "_valueInteger" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4"
      }]
    }
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use",
    "_valueCode" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4"
      }]
    }
  }],
  "url" : "http://hl7.org/fhir/uv/xver/ValueSet/R5-v3-ActClassObservation-for-R4",
  "version" : "0.1.0",
  "name" : "R5V3ActClassObservationForR4",
  "title" : "Cross-version ValueSet R5.ActClassObservation for use in FHIR R4",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-03-17T21:02:03.8104715+00:00",
  "publisher" : "FHIR Infrastructure",
  "contact" : [{
    "name" : "FHIR Infrastructure",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "description" : "This cross-version ValueSet represents content from `http://terminology.hl7.org/ValueSet/v3-ActClassObservation|2.0.0` for use in FHIR R4.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "purpose" : "This value set is part of the cross-version definitions generated to enable use of the\r\nvalue set `http://terminology.hl7.org/ValueSet/v3-ActClassObservation|2.0.0` as defined in FHIR R5\r\nin FHIR R4.\r\n\r\nThe source value set is bound to the following FHIR R5 elements:\r\n* \r\n\r\nNote that all concepts are included in this cross-version definition because no concepts have compatible representations\r\n\r\nFollowing are the generation technical comments:\r\n\nFHIR ValueSet `http://terminology.hl7.org/ValueSet/v3-ActClassObservation|2.0.0`, defined in FHIR R5 does not have any mapping to FHIR R4",
  "compose" : {
    "include" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "concept" : [{
        "code" : "ALRT",
        "display" : "detected issue"
      },
      {
        "code" : "BATTERY",
        "display" : "battery"
      },
      {
        "code" : "CASE",
        "display" : "public health case"
      },
      {
        "code" : "CLNTRL",
        "display" : "clinical trial"
      },
      {
        "code" : "CNOD",
        "display" : "Condition Node"
      },
      {
        "code" : "COND",
        "display" : "Condition"
      },
      {
        "code" : "DETPOL",
        "display" : "determinant peptide"
      },
      {
        "code" : "DGIMG",
        "display" : "diagnostic image"
      },
      {
        "code" : "EXP",
        "display" : "expression level"
      },
      {
        "code" : "GEN",
        "display" : "genomic observation"
      },
      {
        "code" : "INVSTG",
        "display" : "investigation"
      },
      {
        "code" : "LLD",
        "display" : "left lateral decubitus"
      },
      {
        "code" : "LOC",
        "display" : "locus"
      },
      {
        "code" : "OBS",
        "display" : "observation"
      },
      {
        "code" : "OBSCOR",
        "display" : "correlated observation sequences"
      },
      {
        "code" : "OBSSER",
        "display" : "observation series"
      },
      {
        "code" : "OUTB",
        "display" : "outbreak"
      },
      {
        "code" : "PHN",
        "display" : "phenotype"
      },
      {
        "code" : "POL",
        "display" : "polypeptide"
      },
      {
        "code" : "POS",
        "display" : "position"
      },
      {
        "code" : "POSACC",
        "display" : "position accuracy"
      },
      {
        "code" : "POSCOORD",
        "display" : "position coordinate"
      },
      {
        "code" : "PRN",
        "display" : "prone"
      },
      {
        "code" : "RLD",
        "display" : "right lateral decubitus"
      },
      {
        "code" : "ROIBND",
        "display" : "bounded ROI"
      },
      {
        "code" : "ROIOVL",
        "display" : "overlay ROI"
      },
      {
        "code" : "RTRD",
        "display" : "reverse trendelenburg"
      },
      {
        "code" : "SEQ",
        "display" : "bio sequence"
      },
      {
        "code" : "SEQVAR",
        "display" : "bio sequence variation"
      },
      {
        "code" : "SFWL",
        "display" : "Semi-Fowler's"
      },
      {
        "code" : "SIT",
        "display" : "sitting"
      },
      {
        "code" : "SPCOBS",
        "display" : "specimen observation"
      },
      {
        "code" : "STN",
        "display" : "standing"
      },
      {
        "code" : "SUP",
        "display" : "supine"
      },
      {
        "code" : "TRD",
        "display" : "trendelenburg"
      },
      {
        "code" : "VERIF",
        "display" : "Verification"
      },
      {
        "code" : "_ActClassROI",
        "display" : "ActClassROI"
      },
      {
        "code" : "_ImagingSubjectOrientation",
        "display" : "imaging subject orientation"
      },
      {
        "code" : "_SubjectBodyPosition",
        "display" : "subject body position"
      },
      {
        "code" : "_SubjectPhysicalPosition",
        "display" : "subject physical position"
      }]
    }]
  },
  "expansion" : {
    "timestamp" : "2026-03-17T21:02:03.8104715+00:00",
    "contains" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "ALRT",
      "display" : "detected issue"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "BATTERY",
      "display" : "battery"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "CASE",
      "display" : "public health case"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "CLNTRL",
      "display" : "clinical trial"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "CNOD",
      "display" : "Condition Node"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "COND",
      "display" : "Condition"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "DETPOL",
      "display" : "determinant peptide"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "DGIMG",
      "display" : "diagnostic image"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "EXP",
      "display" : "expression level"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "GEN",
      "display" : "genomic observation"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "INVSTG",
      "display" : "investigation"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "LLD",
      "display" : "left lateral decubitus"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "LOC",
      "display" : "locus"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "OBS",
      "display" : "observation"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "OBSCOR",
      "display" : "correlated observation sequences"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "OBSSER",
      "display" : "observation series"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "OUTB",
      "display" : "outbreak"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "PHN",
      "display" : "phenotype"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "POL",
      "display" : "polypeptide"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "POS",
      "display" : "position"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "POSACC",
      "display" : "position accuracy"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "POSCOORD",
      "display" : "position coordinate"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "PRN",
      "display" : "prone"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "RLD",
      "display" : "right lateral decubitus"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "ROIBND",
      "display" : "bounded ROI"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "ROIOVL",
      "display" : "overlay ROI"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "RTRD",
      "display" : "reverse trendelenburg"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "SEQ",
      "display" : "bio sequence"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "SEQVAR",
      "display" : "bio sequence variation"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "SFWL",
      "display" : "Semi-Fowler's"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "SIT",
      "display" : "sitting"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "SPCOBS",
      "display" : "specimen observation"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "STN",
      "display" : "standing"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "SUP",
      "display" : "supine"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "TRD",
      "display" : "trendelenburg"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "VERIF",
      "display" : "Verification"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "_ActClassROI",
      "display" : "ActClassROI"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "_ImagingSubjectOrientation",
      "display" : "imaging subject orientation"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "_SubjectBodyPosition",
      "display" : "subject body position"
    },
    {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass",
      "version" : "3.1.1",
      "code" : "_SubjectPhysicalPosition",
      "display" : "subject physical position"
    }]
  }
}