v2+ Vocabulary
0.3.0 - Working Draft to present the concept ideas (FO)

v2+ Vocabulary - Local Development build (v0.3.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

CodeSystem: Nature of Challenge (2.3 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/natureOfChallengeV100 Version: 1.0.0
Active as of 2025-08-05 Computable Name: NatureOfChallengeV100
Other Identifiers: OID:2.16.840.1.113883.18.152

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HL7-defined code system of concepts used to further describe an observation definition that is characterized as a challenge observation. Used in HL7 Version 2.x messaging in the OM1 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
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/natureOfChallengeV100 defines the following codes:

CodeDisplayDefinitionversion introducedcomment, to suppress IG-publisher warning, to be replaced with standard later
CFST Fasting (no calorie intake) for the period specified in the time component of the term, e.g., 1H POST CFST Fasting (no calorie intake) for the period specified in the time component of the term, e.g., 1H POST CFST 2.3
EXCZ Exercise undertaken as challenge Exercise undertaken as challenge (can be quantified) 2.3 can be quantified
FFST No fluid intake for the period specified in the time component of the term No fluid intake for the period specified in the time component of the term 2.3