v2+ Vocabulary
0.3.0 - Working Draft to present the concept ideas (FO)

v2+ Vocabulary - Local Development build (v0.3.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

: Interpretation Codes (2.7 - 2.0.0) - JSON Representation

Active as of 2025-08-05

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{
  "resourceType" : "CodeSystem",
  "id" : "observationInterpretationV200",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-observationInterpretationV200.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/observationInterpretationV200</code></a></li></ul></div>"
  },
  "extension" : [
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
      "valueString" : "2.7"
    },
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
      "valueString" : "generate correct history somehow"
    },
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
      "valueString" : "0078"
    }
  ],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/observationInterpretationV200",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.5.83"
    }
  ],
  "version" : "2.0.0",
  "name" : "ObservationInterpretationV200",
  "title" : "Interpretation Codes (2.7 - 2.0.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2025-08-05T15:14:51+02:00",
  "description" : "HL7-defined code system of concepts which specify a categorical assessment of an observation value.  Used in HL7 Version 2.x messaging in the OBX segment.\r\nNotes: This is being communicated in v2.x in OBX-8, in v3 in ObservationInterpretation (CWE) in R1 (Representative Realm) and in FHIR Observation.interpretation.",
  "copyright" : "HL7 Inc., 2024",
  "caseSensitive" : true,
  "content" : "complete",
  "property" : [
    {
      "code" : "versionIntroduced",
      "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
      "description" : "version when was this code introduced",
      "type" : "string"
    },
    {
      "code" : "versionDeprecated",
      "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
      "description" : "version when was this code deprecated",
      "type" : "string"
    },
    {
      "code" : "status",
      "uri" : "http://hl7.org/fhir/concept-properties#status",
      "description" : "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
      "type" : "code"
    },
    {
      "code" : "comment",
      "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
      "description" : "A string that provides additional detail pertinent to the use or understanding of the concept",
      "type" : "string"
    },
    {
      "code" : "usage",
      "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
      "description" : "usage notes for this code",
      "type" : "string"
    },
    {
      "code" : "modified",
      "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
      "description" : "date of last modification",
      "type" : "dateTime"
    }
  ],
  "concept" : [
    {
      "code" : "<",
      "display" : "Below absolute low-off instrument scale",
      "definition" : "Below absolute low-off instrument scale",
      "designation" : [
        {
          "language" : "de",
          "value" : "Unter Meßbereich (Extremwertverletzung)"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : ">",
      "display" : "Above absolute high-off instrument scale",
      "definition" : "Above absolute high-off instrument scale",
      "designation" : [
        {
          "language" : "de",
          "value" : "Über Meßbereich (Extremwertverletzung)"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "code" : "A",
      "display" : "Abnormal (applies to non-numeric results)",
      "definition" : "Abnormal (applies to non-numeric results)",
      "designation" : [
        {
          "language" : "de",
          "value" : "anormal (nicht numerisch)"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "AA",
      "display" : "Very abnormal",
      "definition" : "Very abnormal (applies to non-numeric units, analogous to panic limits for numeric units)",
      "designation" : [
        {
          "language" : "de",
          "value" : "Pathologisch (nicht numerisch)"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "AC",
      "display" : "Anti-complementary substances present",
      "definition" : "Anti-complementary substances present",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "B",
      "display" : "Better",
      "definition" : "Better (use when direction not relevant)",
      "designation" : [
        {
          "language" : "de",
          "value" : "Verbesserung"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "code" : "D",
      "display" : "Significant change down",
      "definition" : "Significant change down",
      "designation" : [
        {
          "language" : "de",
          "value" : "Deutlicher Trend nach unten"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "DET",
      "display" : "Detected",
      "definition" : "Detected",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "H",
      "display" : "Above high normal",
      "definition" : "Above high normal",
      "designation" : [
        {
          "language" : "de",
          "value" : "Oberhalb oberer Grenze Referenzbereich"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "HH",
      "display" : "Above upper panic limits",
      "definition" : "Above upper panic limits",
      "designation" : [
        {
          "language" : "de",
          "value" : "Oberhalb oberer pathologischer Grenze"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "I",
      "display" : "Intermediate",
      "definition" : "Intermediate. Indicates for microbiology susceptibilities only.",
      "designation" : [
        {
          "language" : "de",
          "value" : "Intermediär"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "IND",
      "display" : "Indeterminate",
      "definition" : "Indeterminate",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "L",
      "display" : "Below low normal",
      "definition" : "Below low normal",
      "designation" : [
        {
          "language" : "de",
          "value" : "Unterhalb unterer Grenze Referenzbereich"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "code" : "LL",
      "display" : "Below lower panic limits",
      "definition" : "Below lower panic limits",
      "designation" : [
        {
          "language" : "de",
          "value" : "Unterhalb unterer pathologischer Grenze"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "MS",
      "display" : "Moderately susceptible",
      "definition" : "Moderately susceptible. Indicates for microbiology susceptibilities only.",
      "designation" : [
        {
          "language" : "de",
          "value" : "mäßig empfindlich"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "N",
      "display" : "Normal",
      "definition" : "Normal (applies to non-numeric results)",
      "designation" : [
        {
          "language" : "de",
          "value" : "Normal (nicht numerisch)"
        }
      ],
      "property" : [
        {
          "code" : "comment",
          "valueString" : "applies to non-numeric results"
        },
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "code" : "ND",
      "display" : "Not Detected",
      "definition" : "Not Detected",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "NEG",
      "display" : "Negative",
      "definition" : "Negative",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "NR",
      "display" : "Non-reactive",
      "definition" : "Non-reactive",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "POS",
      "display" : "Positive",
      "definition" : "Positive",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "QCF",
      "display" : "Quality Control Failure",
      "definition" : "Quality Control Failure",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "R",
      "display" : "Resistant",
      "definition" : "Resistant. Indicates for microbiology susceptibilities only.",
      "designation" : [
        {
          "language" : "de",
          "value" : "Resistent"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "RR",
      "display" : "Reactive",
      "definition" : "Reactive",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "S",
      "display" : "Susceptible",
      "definition" : "Susceptible. Indicates for microbiology susceptibilities only.",
      "designation" : [
        {
          "language" : "de",
          "value" : "Empfindlich"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "TOX",
      "display" : "Cytotoxic substance present",
      "definition" : "Cytotoxic substance present",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "U",
      "display" : "Significant change up",
      "definition" : "Significant change up",
      "designation" : [
        {
          "language" : "de",
          "value" : "Deutlicher Trend nach oben"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "VS",
      "display" : "Very susceptible",
      "definition" : "Very susceptible. Indicates for microbiology susceptibilities only.",
      "designation" : [
        {
          "language" : "de",
          "value" : "Sehr empfindlich"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "W",
      "display" : "Worse",
      "definition" : "Worse-use when direction not relevant",
      "designation" : [
        {
          "language" : "de",
          "value" : "Verschlechterung"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2025-08-02"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "code" : "WR",
      "display" : "Weakly reactive",
      "definition" : "Weakly reactive",
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.7"
        }
      ]
    },
    {
      "code" : "null",
      "display" : "No range defined, or normal ranges don't apply",
      "definition" : "No range defined, or normal ranges don't apply",
      "designation" : [
        {
          "language" : "de",
          "value" : "Kein Referenzbereich / Referenzbereich nicht anwendbar"
        }
      ],
      "property" : [
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    }
  ]
}