HL7 v2.7 Vocabulary
0.1.0 - ci-build

HL7 v2.7 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.v27/ and changes regularly. See the Directory of published versions

CodeSystem: Alert Level (2.7 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/alertLevel Version: 1.0.0
Active as of 2026-01-27 Computable Name: AlertLevel
Other Identifiers: OID:2.16.840.1.113883.18.225

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts that identify the highest level of the alert state (e.g.,highest alert severity) that is associated with the indicated equipment (e.g. processing event, inventory event, QC event). Used in the Equipment Detail (EQU) and Notification Detail (NDS) segments in HL7 Version 2.x messaging.

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

NameCodeURITypeDescription
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/alertLevel defines the following codes:

CodeDisplayDefinitionversionIntroducedusage
C Critical Critical 2.4 Shut Down, Fix Problem and Re-init
N Normal Normal 2.4 No Corrective Action Needed
S Serious Serious 2.4 Corrective Action Required
W Warning Warning 2.4 Corrective Action Anticipated