HL7 v2.8 Vocabulary
0.1.0 - ci-build

HL7 v2.8 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.v28/ and changes regularly. See the Directory of published versions

CodeSystem: Sequence Condition Code (2.8 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/sequenceCondition Version: 1.0.0
Active as of 2026-01-27 Computable Name: SequenceCondition
Other Identifiers: OID:2.16.840.1.113883.18.328

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts used to specify the relationship between the start/end of the related service request(s) (from TQ2-3, TQ2-4 or TQ2-5) and the current service request from ORC-2, 3 or 4. Used in HL7 Version 2.x messaging in the TQ2 segment.

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/sequenceCondition defines the following codes:

CodeDisplayDefinitionversionIntroduced
EE End related service request(s), end current service request. End related service request(s), end current service request. 2.5
ES End related service request(s), start current service request. End related service request(s), start current service request. 2.5
SE Start related service request(s), end current service request. Start related service request(s), end current service request. 2.5
SS Start related service request(s), start current service request. Start related service request(s), start current service request. 2.5