HL7 v2.4 Vocabulary
0.1.0 - ci-build
HL7 v2.4 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.v24/ and changes regularly. See the Directory of published versions
| Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosisPriority | Version: 1.0.0 | |||
| Active as of 2026-01-27 | Computable Name: DiagnosisPriority | |||
| Other Identifiers: OID:2.16.840.1.113883.18.218 | ||||
Copyright/Legal: HL7 Inc., 2026 |
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Code system of concepts that identify the significance or priority of the diagnosis code. Note that the codes are numeric, and the number of the code represents the ordinal priority of the associated diagnosis. Used in the DG1 segment in HL7 Version 2.x messaging. The predefined codes are the most common, and just a starter set, as the codes are an unbounded list; additional ranked procedures may be signified by incrementing the code value as needed.
This Code system is referenced in the content logical definition of the following value sets:
Properties
This code system defines the following properties for its concepts
| Name | Code | URI | Type | Description |
| versionIntroduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced |
| versionDeprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated |
| status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired |
| comment | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept |
| usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code |
| modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification |
Concepts
This case-sensitive code system http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosisPriority provides a fragment that includes following codes: