# Diagnostic Service Section ID (2.9.1 - 1.5.0) - HL7 v2.9.1 Vocabulary v0.2.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Diagnostic Service Section ID (2.9.1 - 1.5.0)**

## CodeSystem: Diagnostic Service Section ID (2.9.1 - 1.5.0) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosticServiceSectionId | *Version*:1.5.0 |
| Active as of 2026-03-13 | *Computable Name*:DiagnosticServiceSectionId |
| *Other Identifiers:*OID:2.16.840.1.113883.18.29, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0074 | |
| **Copyright/Legal**: HL7 Inc., 2026 | |

 
HL7-defined code system of concepts which specify a section of a diagnostic service where the observation may be performed. Used in HL7 Version 2.x messaging in the OBR and OM4 segments. 

 This Code system is referenced in the content logical definition of the following value sets: 

* [Hl7VSdiagnosticServiceSectionId](ValueSet-hl7VSdiagnosticServiceSectionId.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "diagnosticServiceSectionId",
  "extension" : [{
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
    "valueString" : "2.9.1"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
    "valueString" : "generate correct history somehow"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
    "valueString" : "0074"
  }],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosticServiceSectionId",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.18.29"
  },
  {
    "system" : "urn:ietf:rfc:3986",
    "value" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0074"
  }],
  "version" : "1.5.0",
  "name" : "DiagnosticServiceSectionId",
  "title" : "Diagnostic Service Section ID (2.9.1 - 1.5.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-03-13T11:04:57+00:00",
  "publisher" : "HL7/FO",
  "contact" : [{
    "name" : "HL7/FO",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org"
    }]
  }],
  "description" : "HL7-defined code system of concepts which specify a section of a diagnostic service where the observation may be performed.  Used in HL7 Version 2.x messaging in the OBR and OM4 segments.",
  "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" : [{
    "id" : "1036",
    "code" : "AU",
    "display" : "Audiology",
    "definition" : "Audiology",
    "designation" : [{
      "language" : "de",
      "value" : "Audiologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1037",
    "code" : "BG",
    "display" : "Blood Gases",
    "definition" : "Blood Gases",
    "designation" : [{
      "language" : "de",
      "value" : "Blutgase"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1038",
    "code" : "BLB",
    "display" : "Blood Bank",
    "definition" : "Blood Bank",
    "designation" : [{
      "language" : "de",
      "value" : "Blutbank"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1039",
    "code" : "CG",
    "display" : "Cytogenetics",
    "definition" : "Cytogenetics",
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.8.2"
    }]
  },
  {
    "id" : "1043",
    "code" : "CH",
    "display" : "Chemistry",
    "definition" : "Chemistry",
    "designation" : [{
      "language" : "de",
      "value" : "Klinische Chemie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1044",
    "code" : "CP",
    "display" : "Cytopathology",
    "definition" : "Cytopathology",
    "designation" : [{
      "language" : "de",
      "value" : "Zellpathologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1042",
    "code" : "CT",
    "display" : "CAT Scan",
    "definition" : "CAT Scan",
    "designation" : [{
      "language" : "de",
      "value" : "Computertomographie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1041",
    "code" : "CTH",
    "display" : "Cardiac Catheterization",
    "definition" : "Cardiac Catheterization",
    "designation" : [{
      "language" : "de",
      "value" : "Herzkatheter"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1040",
    "code" : "CUS",
    "display" : "Cardiac Ultrasound",
    "definition" : "Cardiac Ultrasound",
    "designation" : [{
      "language" : "de",
      "value" : "Kardiologische Ultraschalluntersuchung"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1045",
    "code" : "EC",
    "display" : "Electrocardiac",
    "definition" : "Electrocardiac (e.g., EKG, EEC, Holter)",
    "designation" : [{
      "language" : "de",
      "value" : "Elektrokardiographie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1046",
    "code" : "EN",
    "display" : "Electroneuro",
    "definition" : "Electroneuro (EEG, EMG, EP, PSG)",
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1047",
    "code" : "GE",
    "display" : "Genetics",
    "definition" : "Genetics",
    "designation" : [{
      "language" : "de",
      "value" : "Genetik"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.8.2"
    }]
  },
  {
    "id" : "1048",
    "code" : "HM",
    "display" : "Hematology",
    "definition" : "Hematology",
    "designation" : [{
      "language" : "de",
      "value" : "Hämatologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1050",
    "code" : "ICU",
    "display" : "Bedside ICU Monitoring",
    "definition" : "Bedside ICU Monitoring",
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1049",
    "code" : "IMG",
    "display" : "Diagnostic Imaging",
    "definition" : "Diagnostic Imaging",
    "property" : [{
      "code" : "status",
      "valueCode" : "inactive"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2024-12-30"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "id" : "1051",
    "code" : "IMM",
    "display" : "Immunology",
    "definition" : "Immunology",
    "designation" : [{
      "language" : "de",
      "value" : "Immunologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1052",
    "code" : "LAB",
    "display" : "Laboratory",
    "definition" : "Laboratory",
    "designation" : [{
      "language" : "de",
      "value" : "Labor"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1053",
    "code" : "MB",
    "display" : "Microbiology",
    "definition" : "Microbiology",
    "designation" : [{
      "language" : "de",
      "value" : "Mikrobiologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1054",
    "code" : "MCB",
    "display" : "Mycobacteriology",
    "definition" : "Mycobacteriology",
    "designation" : [{
      "language" : "de",
      "value" : "Mykobakteriologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1055",
    "code" : "MYC",
    "display" : "Mycology",
    "definition" : "Mycology",
    "designation" : [{
      "language" : "de",
      "value" : "Mykologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1057",
    "code" : "NMR",
    "display" : "Nuclear Magnetic Resonance",
    "definition" : "Nuclear Magnetic Resonance",
    "designation" : [{
      "language" : "de",
      "value" : "Kernspintomographie (MR)"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1056",
    "code" : "NMS",
    "display" : "Nuclear Medicine Scan",
    "definition" : "Nuclear Medicine Scan",
    "designation" : [{
      "language" : "de",
      "value" : "Szintigramm"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1058",
    "code" : "NRS",
    "display" : "Nursing Service Measures",
    "definition" : "Nursing Service Measures",
    "designation" : [{
      "language" : "de",
      "value" : "Pflegemaßnahme"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1062",
    "code" : "OSL",
    "display" : "Outside Lab",
    "definition" : "Outside Lab",
    "designation" : [{
      "language" : "de",
      "value" : "Externes Labor"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1060",
    "code" : "OT",
    "display" : "Occupational Therapy",
    "definition" : "Occupational Therapy",
    "designation" : [{
      "language" : "de",
      "value" : "Beschäftigungstherapie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1061",
    "code" : "OTH",
    "display" : "Other",
    "definition" : "Other",
    "designation" : [{
      "language" : "de",
      "value" : "Andere"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1059",
    "code" : "OUS",
    "display" : "OB Ultrasound",
    "definition" : "OB Ultrasound",
    "designation" : [{
      "language" : "de",
      "value" : "Geburtshilfiche Ultraschalluntersuchung"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1063",
    "code" : "PAR",
    "display" : "Parasitology",
    "property" : [{
      "code" : "status",
      "valueCode" : "inactive"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2024-12-30"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "id" : "1065",
    "code" : "PAT",
    "display" : "Pathology (gross & histopath, not surgical)",
    "property" : [{
      "code" : "status",
      "valueCode" : "inactive"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2024-12-30"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "id" : "1068",
    "code" : "PF",
    "display" : "Pulmonary Function",
    "definition" : "Pulmonary Function",
    "designation" : [{
      "language" : "de",
      "value" : "Lungenfunktion"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1064",
    "code" : "PHR",
    "display" : "Pharmacy",
    "definition" : "Pharmacy",
    "designation" : [{
      "language" : "de",
      "value" : "Apotheke"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1067",
    "code" : "PHY",
    "display" : "Physician",
    "definition" : "Physician (Hx. Dx, admission note, etc.)",
    "designation" : [{
      "language" : "de",
      "value" : "Arzt (Krankengeschichte, Diagnose, Aufnahmeuntersuchung)"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1066",
    "code" : "PT",
    "display" : "Physical Therapy",
    "definition" : "Physical Therapy",
    "designation" : [{
      "language" : "de",
      "value" : "physiklische Therapie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1069",
    "code" : "RAD",
    "display" : "Radiology",
    "definition" : "Radiology",
    "designation" : [{
      "language" : "de",
      "value" : "Radiologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1072",
    "code" : "RC",
    "display" : "Respiratory Care (therapy)",
    "definition" : "Respiratory Care (therapy)",
    "designation" : [{
      "language" : "de",
      "value" : "Atemtherapie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1073",
    "code" : "RT",
    "display" : "Radiation Therapy",
    "definition" : "Radiation Therapy",
    "designation" : [{
      "language" : "de",
      "value" : "Strahlentherapie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1071",
    "code" : "RUS",
    "display" : "Radiology Ultrasound",
    "definition" : "Radiology Ultrasound",
    "designation" : [{
      "language" : "de",
      "value" : "Radiologische Ultraschalluntersuchung"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1070",
    "code" : "RX",
    "display" : "Radiograph",
    "definition" : "Radiograph",
    "designation" : [{
      "language" : "de",
      "value" : "Röntgenaufnahme"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1075",
    "code" : "SP",
    "display" : "Surgical Pathology",
    "definition" : "Surgical Pathology",
    "designation" : [{
      "language" : "de",
      "value" : "Operative Pathologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1074",
    "code" : "SR",
    "display" : "Serology",
    "definition" : "Serology",
    "designation" : [{
      "language" : "de",
      "value" : "Serologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1076",
    "code" : "TX",
    "display" : "Toxicology",
    "definition" : "Toxicology",
    "designation" : [{
      "language" : "de",
      "value" : "Toxikologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1079",
    "code" : "URN",
    "display" : "Urinalysis",
    "property" : [{
      "code" : "status",
      "valueCode" : "inactive"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2024-12-30"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.4"
    }]
  },
  {
    "id" : "1078",
    "code" : "VR",
    "display" : "Virology",
    "definition" : "Virology",
    "designation" : [{
      "language" : "de",
      "value" : "Virologie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.2"
    }]
  },
  {
    "id" : "1077",
    "code" : "VUS",
    "display" : "Vascular Ultrasound",
    "definition" : "Vascular Ultrasound",
    "designation" : [{
      "language" : "de",
      "value" : "Ultraschalluntersuchung der Gefäße"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  },
  {
    "id" : "1080",
    "code" : "XRC",
    "display" : "Cineradiograph",
    "definition" : "Cineradiograph",
    "designation" : [{
      "language" : "de",
      "value" : "Röntgenkinematographie"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.1"
    }]
  }]
}

```
