HL7 v2.8.1 Vocabulary
0.1.0 - ci-build
HL7 v2.8.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v281/ and changes regularly. See the Directory of published versions
| Active as of 2026-01-27 |
{
"resourceType" : "CodeSystem",
"id" : "natureOfServiceTestObservation",
"text" : {
"status" : "generated",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-natureOfServiceTestObservation.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/natureOfServiceTestObservation</code></a></li></ul></div>"
},
"extension" : [
{
"url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
"valueString" : "2.8.1"
},
{
"url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
"valueString" : "generate correct history somehow"
},
{
"url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
"valueString" : "0174"
}
],
"url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/natureOfServiceTestObservation",
"identifier" : [
{
"system" : "urn:ietf:rfc:3986",
"value" : "urn:oid:2.16.840.1.113883.18.90"
}
],
"version" : "1.1.0",
"name" : "NatureOfServiceTestObservation",
"title" : "Nature of Service/Test/Observation (2.8.1 - 1.1.0)",
"status" : "active",
"experimental" : true,
"date" : "2026-01-27T19:45:38+00:00",
"publisher" : "HL7/FO",
"contact" : [
{
"name" : "HL7/FO",
"telecom" : [
{
"system" : "url",
"value" : "http://www.hl7.org"
}
]
}
],
"description" : "Code system of concepts specifying an identification of a test battery, an entire functional procedure or study, a single test value (observation), multiple test batteries or functional procedures as an orderable unit (profile), or a single test value (observation) calculated from other independent observations, typically used as an indicator for Master Files. Used in HL7 Version 2.x messaging in the OM1 segment.",
"copyright" : "HL7 Inc., 2026",
"caseSensitive" : true,
"compositional" : false,
"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" : "A",
"display" : "Atomic service/test/observation",
"definition" : "Atomic service/test/observation (test code or treatment code)",
"property" : [
{
"code" : "usage",
"valueString" : "can be associated with one or more OM4 (specimen) segments<p>a single direct observation and would usually be associated with an OM2 and/or OM3 segments"
},
{
"code" : "modified",
"valueDateTime" : "2025-08-02"
},
{
"code" : "versionIntroduced",
"valueString" : "2.2"
}
]
},
{
"code" : "C",
"display" : "Single observation, calculated",
"definition" : "Single observation calculated via a rule or formula from other independent observations (e.g., Alveolar-arterial ratio, cardiac output)",
"property" : [
{
"code" : "usage",
"valueString" : "can be associated with one or more OM4 (specimen) segments<p>a derived quantity and would usually be associated with an OM6 segment"
},
{
"code" : "modified",
"valueDateTime" : "2025-08-02"
},
{
"code" : "versionIntroduced",
"valueString" : "2.2"
}
]
},
{
"code" : "F",
"display" : "Functional procedure",
"definition" : "Functional procedure that may consist of one or more interrelated measures (e.g., glucose tolerance test, creatinine clearance), usually done at different times and/or on different specimens",
"property" : [
{
"code" : "usage",
"valueString" : "can be associated with one or more OM4 (specimen) segments<p>See comment for value S"
},
{
"code" : "modified",
"valueDateTime" : "2025-08-02"
},
{
"code" : "versionIntroduced",
"valueString" : "2.2"
}
]
},
{
"code" : "P",
"display" : "Profile or battery",
"definition" : "Profile or battery consisting of many independent atomic observations (e.g., SMA12, electrolytes), usually done at one instrument on one specimen",
"designation" : [
{
"language" : "de",
"value" : "Batterieanordnung"
}
],
"property" : [
{
"code" : "usage",
"valueString" : "can be associated with one or more OM4 (specimen) segments<p>See comment for value S"
},
{
"code" : "modified",
"valueDateTime" : "2025-08-02"
},
{
"code" : "versionIntroduced",
"valueString" : "2.2"
}
]
},
{
"code" : "S",
"display" : "Superset-a set of batteries or procedures",
"definition" : "Superset-a set of batteries or procedures ordered under a single code unit but processed as separate batteries (e.g., routines = CBC, UA, electrolytes)<p>This set indicates that the code being described is used to order multiple service/test/observation b",
"property" : [
{
"code" : "usage",
"valueString" : "can be associated with one or more OM4 (specimen) segments<p>Codes P, F, and S identify sets (batteries) and should be associated with an OM5 segment that defines the list of elements. The definitions for the contained elements would have to be sent in o"
},
{
"code" : "modified",
"valueDateTime" : "2025-08-02"
},
{
"code" : "versionIntroduced",
"valueString" : "2.2"
}
]
}
]
}