HL7 v2.8.1 Vocabulary
0.2.0 - 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 0.2.0 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

## CodeSystem: Mood Codes (2.8.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/moodCodes | Version: 1.0.0
Active as of 2026-03-13 | Computable Name: MoodCodes
Other Identifiers: OID:2.16.840.1.113883.18.390, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0725
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts that represent the functional state of an order. Used in HL7 Version 2.x messaging in the RXO and OBX segments.

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

- Hl7VSmoodCodes

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
version introduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
version deprecated | 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, to suppress IG-publisher warning, to be replaced with standard later | 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/moodCodes` defines the following codes:

Code | Display | Definition | version introduced | usage
APT | Appointment | Appointment | 2.6 | Planned act for specific time and place
ARQ | Appointment Request | Appointment Request | 2.6 | Request for Booking of an Appointment
EVN | Event | Event | 2.6 | Service actually happens or happened or is ongoing.
EVN.CRT | Event Criterion | Event Criterion | 2.6 | Criterion applying to Events for another Service to be applied.<p>This is an Act Mood Predicate.
EXP | Expectation | Expectation | 2.6 | Expecting that something will occur independently of deliberate intent. E.g. expect a patient will discard medications.
INT | Intent | Intent | 2.6 | Plan to perform a service
PRMS | Promise | Promise | 2.6 | An intent to perform a service
PRP | Proposal | Proposal | 2.6 | Non-mandated intent to perform an act
RQO | Request-Order | Request-Order | 2.6 | Request or Order for a service