C-CDA on FHIR
2.0.0-ballot - STU 2 Ballot

C-CDA on FHIR, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 2.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ccda-on-fhir/ and changes regularly. See the Directory of published versions

## : C-CDA NullFlavor to FHIR Data Absent Reason - JSON Representation

Page standards status: Trial-use

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    {
      "resourceType" : "ConceptMap",
      "id" : "CF-NullFlavorDataAbsentReason",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ConceptMap CF-NullFlavorDataAbsentReason</b></p><a name=\"CF-NullFlavorDataAbsentReason\"> </a><a name=\"hcCF-NullFlavorDataAbsentReason\"> </a><p>Mapping from <a href=\"http://terminology.hl7.org/6.5.0/ValueSet-v3-NullFlavor.html\">NullFlavor</a> to <a href=\"http://hl7.org/fhir/R4/valueset-data-absent-reason.html\">DataAbsentReason</a></p><br/><p><b>Group 1 </b>Mapping from <a href=\"http://terminology.hl7.org/6.5.0/CodeSystem-v3-NullFlavor.html\">NullFlavor</a> to <a href=\"http://terminology.hl7.org/6.5.0/CodeSystem-data-absent-reason.html\">DataAbsentReason</a></p><table class=\"grid\"><tr><td><b>Source Code</b></td><td><b>Relationship</b></td><td><b>Target Code</b></td><td><b>Comment</b></td></tr><tr><td>NI (NoInformation)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#inexact\" title=\"inexact\">maps loosely to</a></td><td>unknown</td><td>When the item is not required, US CORE guidance is to omit the element and not include data-absent-reason. When the item is required, US CORE guidance is to use unknown as the broadest concept</td></tr><tr><td>OTH (other)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#wider\" title=\"wider\">maps to wider concept</a></td><td>unsupported</td><td/></tr><tr><td>NINF (negative infinity)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>negative-infinity (Negative Infinity (NINF))</td><td/></tr><tr><td>PINF (positive infinity)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>positive-infinity (Positive Infinity (PINF))</td><td/></tr><tr><td>MSK (masked)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>masked</td><td/></tr><tr><td>NA (not applicable)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>not-applicable</td><td/></tr><tr><td>UNK (unknown)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#wider\" title=\"wider\">maps to wider concept</a></td><td>unknown</td><td/></tr><tr><td>ASKU (asked but unknown)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>asked-unknown (Asked But Unknown)</td><td/></tr><tr><td>NAV (temporarily unavailable)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>temp-unknown (Temporarily Unknown)</td><td/></tr><tr><td>NASK (not asked)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>not-asked</td><td/></tr><tr><td>TRC (trace)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#wider\" title=\"wider\">maps to wider concept</a></td><td>unsupported</td><td/></tr><tr><td>NP (not present)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#wider\" title=\"wider\">maps to wider concept</a></td><td>unknown</td><td/></tr></table></div>"
      },
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
          "valueCode" : "cgp"
        },
        {
          "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/us/ccda/ImplementationGuide/hl7.fhir.us.ccda"
              }
            ]
          }
        }
      ],
      "url" : "http://hl7.org/fhir/us/ccda/ConceptMap/CF-NullFlavorDataAbsentReason",
      "version" : "2.0.0-ballot",
      "name" : "CCDAtoFHIRNullFlavorDataAbsentReason",
      "title" : "C-CDA NullFlavor to FHIR Data Absent Reason",
      "status" : "active",
      "experimental" : false,
      "date" : "2025-07-31T21:42:42+00:00",
      "publisher" : "HL7 International / Cross-Group Projects",
      "contact" : [
        {
          "name" : "HL7 International / Cross-Group Projects",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://www.hl7.org/Special/committees/cgp"
            }
          ]
        }
      ],
      "description" : "C-CDA NullFlavor to FHIR Data Absent Reason. Adapted from https://hl7.org/fhir/R4/cm-data-absent-reason-v3.html but several key changes have been made. Note that this prior concept map (from R4) is no longer included in current FHIR build.",
      "jurisdiction" : [
        {
          "coding" : [
            {
              "system" : "urn:iso:std:iso:3166",
              "code" : "US"
            }
          ]
        }
      ],
      "sourceUri" : "http://terminology.hl7.org/ValueSet/v3-NullFlavor",
      "targetUri" : "http://hl7.org/fhir/ValueSet/data-absent-reason",
      "group" : [
        {
          "source" : "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
          "target" : "http://terminology.hl7.org/CodeSystem/data-absent-reason",
          "element" : [
            {
              "code" : "NI",
              "display" : "NoInformation",
              "target" : [
                {
                  "code" : "unknown",
                  "display" : "Unknown",
                  "equivalence" : "inexact",
                  "comment" : "When the item is not required, US CORE guidance is to omit the element and not include data-absent-reason. When the item is required, US CORE guidance is to use unknown as the broadest concept"
                }
              ]
            },
            {
              "code" : "OTH",
              "display" : "other",
              "target" : [
                {
                  "code" : "unsupported",
                  "display" : "Unsupported",
                  "equivalence" : "wider"
                }
              ]
            },
            {
              "code" : "NINF",
              "display" : "negative infinity",
              "target" : [
                {
                  "code" : "negative-infinity",
                  "display" : "Negative Infinity (NINF)",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "PINF",
              "display" : "positive infinity",
              "target" : [
                {
                  "code" : "positive-infinity",
                  "display" : "Positive Infinity (PINF)",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "MSK",
              "display" : "masked",
              "target" : [
                {
                  "code" : "masked",
                  "display" : "Masked",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "NA",
              "display" : "not applicable",
              "target" : [
                {
                  "code" : "not-applicable",
                  "display" : "Not Applicable",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "UNK",
              "display" : "unknown",
              "target" : [
                {
                  "code" : "unknown",
                  "display" : "Unknown",
                  "equivalence" : "wider"
                }
              ]
            },
            {
              "code" : "ASKU",
              "display" : "asked but unknown",
              "target" : [
                {
                  "code" : "asked-unknown",
                  "display" : "Asked But Unknown",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "NAV",
              "display" : "temporarily unavailable",
              "target" : [
                {
                  "code" : "temp-unknown",
                  "display" : "Temporarily Unknown",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "NASK",
              "display" : "not asked",
              "target" : [
                {
                  "code" : "not-asked",
                  "display" : "Not Asked",
                  "equivalence" : "equivalent"
                }
              ]
            },
            {
              "code" : "TRC",
              "display" : "trace",
              "target" : [
                {
                  "code" : "unsupported",
                  "display" : "Unsupported",
                  "equivalence" : "wider"
                }
              ]
            },
            {
              "code" : "NP",
              "display" : "not present",
              "target" : [
                {
                  "code" : "unknown",
                  "display" : "Unknown",
                  "equivalence" : "wider"
                }
              ]
            }
          ]
        }
      ]
    }