# Diagnostic Service Section ID (2.9 - 1.5.0) - HL7 v2.9 Vocabulary v0.1.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Diagnostic Service Section ID (2.9 - 1.5.0)**

## CodeSystem: Diagnostic Service Section ID (2.9 - 1.5.0) (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosticServiceSectionId | *Version*:1.5.0 |
| Active as of 2026-01-27 | *Computable Name*:DiagnosticServiceSectionId |
| *Other Identifiers:*OID:2.16.840.1.113883.18.29 | |
| **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"
    },
    {
      "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"
    }
  ],
  "version" : "1.5.0",
  "name" : "DiagnosticServiceSectionId",
  "title" : "Diagnostic Service Section ID (2.9 - 1.5.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-01-27T19:46:43+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" : [
    {
      "code" : "AU",
      "display" : "Audiology",
      "definition" : "Audiology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Audiologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "CG",
      "display" : "Cytogenetics",
      "definition" : "Cytogenetics",
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.8.2"
        }
      ]
    },
    {
      "code" : "CH",
      "display" : "Chemistry",
      "definition" : "Chemistry",
      "designation" : [
        {
          "language" : "de",
          "value" : "Klinische Chemie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "CP",
      "display" : "Cytopathology",
      "definition" : "Cytopathology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Zellpathologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "EN",
      "display" : "Electroneuro",
      "definition" : "Electroneuro (EEG, EMG, EP, PSG)",
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "code" : "GE",
      "display" : "Genetics",
      "definition" : "Genetics",
      "designation" : [
        {
          "language" : "de",
          "value" : "Genetik"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.8.2"
        }
      ]
    },
    {
      "code" : "HM",
      "display" : "Hematology",
      "definition" : "Hematology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Hämatologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "ICU",
      "display" : "Bedside ICU Monitoring",
      "definition" : "Bedside ICU Monitoring",
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.3"
        }
      ]
    },
    {
      "code" : "IMG",
      "display" : "Diagnostic Imaging",
      "definition" : "Diagnostic Imaging",
      "property" : [
        {
          "code" : "status",
          "valueCode" : "inactive"
        },
        {
          "code" : "modified",
          "valueDateTime" : "2024-12-30"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "code" : "IMM",
      "display" : "Immunology",
      "definition" : "Immunology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Immunologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "LAB",
      "display" : "Laboratory",
      "definition" : "Laboratory",
      "designation" : [
        {
          "language" : "de",
          "value" : "Labor"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.3"
        }
      ]
    },
    {
      "code" : "MB",
      "display" : "Microbiology",
      "definition" : "Microbiology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Mikrobiologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "MCB",
      "display" : "Mycobacteriology",
      "definition" : "Mycobacteriology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Mykobakteriologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "MYC",
      "display" : "Mycology",
      "definition" : "Mycology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Mykologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "OTH",
      "display" : "Other",
      "definition" : "Other",
      "designation" : [
        {
          "language" : "de",
          "value" : "Andere"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "PAR",
      "display" : "Parasitology",
      "property" : [
        {
          "code" : "status",
          "valueCode" : "inactive"
        },
        {
          "code" : "modified",
          "valueDateTime" : "2024-12-30"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "code" : "PAT",
      "display" : "Pathology (gross & histopath, not surgical)",
      "property" : [
        {
          "code" : "status",
          "valueCode" : "inactive"
        },
        {
          "code" : "modified",
          "valueDateTime" : "2024-12-30"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "PHR",
      "display" : "Pharmacy",
      "definition" : "Pharmacy",
      "designation" : [
        {
          "language" : "de",
          "value" : "Apotheke"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "RAD",
      "display" : "Radiology",
      "definition" : "Radiology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Radiologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.3"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "RX",
      "display" : "Radiograph",
      "definition" : "Radiograph",
      "designation" : [
        {
          "language" : "de",
          "value" : "Röntgenaufnahme"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "SR",
      "display" : "Serology",
      "definition" : "Serology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Serologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "TX",
      "display" : "Toxicology",
      "definition" : "Toxicology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Toxikologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    },
    {
      "code" : "URN",
      "display" : "Urinalysis",
      "property" : [
        {
          "code" : "status",
          "valueCode" : "inactive"
        },
        {
          "code" : "modified",
          "valueDateTime" : "2024-12-30"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "code" : "VR",
      "display" : "Virology",
      "definition" : "Virology",
      "designation" : [
        {
          "language" : "de",
          "value" : "Virologie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.2"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "code" : "XRC",
      "display" : "Cineradiograph",
      "definition" : "Cineradiograph",
      "designation" : [
        {
          "language" : "de",
          "value" : "Röntgenkinematographie"
        }
      ],
      "property" : [
        {
          "code" : "modified",
          "valueDateTime" : "2015-07-13"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.1"
        }
      ]
    }
  ]
}

```
