HL7 v2.7.1 Vocabulary
0.1.0 - ci-build

HL7 v2.7.1 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.v271/ and changes regularly. See the Directory of published versions

CodeSystem: Time Delay Post Challenge (2.7.1 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/timeDelayPostChallenge Version: 1.0.0
Active as of 2026-01-27 Computable Name: TimeDelayPostChallenge
Other Identifiers: OID:2.16.840.1.113883.18.151

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts used to classify an observation definition as being a component of a challenge test. 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
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/timeDelayPostChallenge defines the following codes:

CodeDisplayDefinitionversionIntroduced
10D 10 days 10 days 2.3
10M 10 minutes post challenge 10 minutes post challenge 2.3
12H 12 hours post challenge 12 hours post challenge 2.3
15M 15 minutes post challenge 15 minutes post challenge 2.3
1H 1 hour post challenge 1 hour post challenge 2.3
1L 1 month (30 days) post challenge 1 month (30 days) post challenge 2.3
1M 1 minute post challenge 1 minute post challenge 2.3
1W 1 week 1 week 2.3
2.5H 2 1/2 hours post challenge 2 1/2 hours post challenge 2.3
20M 20 minutes post challenge 20 minutes post challenge 2.3
24H 24 hours post challenge 24 hours post challenge 2.3
25M 25 minutes post challenge 25 minutes post challenge 2.3
2D 2 days 2 days 2.3
2H 2 hours post challenge 2 hours post challenge 2.3
2L 2 months (60 days) post challenge 2 months (60 days) post challenge 2.3
2M 2 minutes post challenge 2 minutes post challenge 2.3
2W 2 weeks 2 weeks 2.3
30M 30 minutes post challenge 30 minutes post challenge 2.3
3D 3 days 3 days 2.3
3H 3 hours post challenge 3 hours post challenge 2.3
3L 3 months (90 days) post challenge 3 months (90 days) post challenge 2.3
3M 3 minutes post challenge 3 minutes post challenge 2.3
3W 3 weeks 3 weeks 2.3
4D 4 days 4 days 2.3
4H 4 hours post challenge 4 hours post challenge 2.3
4M 4 minutes post challenge 4 minutes post challenge 2.3
4W 4 weeks 4 weeks 2.3
5D 5 days 5 days 2.3
5H 5 hours post challenge 5 hours post challenge 2.3
5M 5 minutes post challenge 5 minutes post challenge 2.3
6D 6 days 6 days 2.3
6H 6 hours post challenge 6 hours post challenge 2.3
6M 6 minutes post challenge 6 minutes post challenge 2.3
7D 7 days 7 days 2.3
7H 7 hours post challenge 7 hours post challenge 2.3
7M 7 minutes post challenge 7 minutes post challenge 2.3
8H 8 hours post challenge 8 hours post challenge 2.3
8H SHIFT 8 hours aligned on nursing shifts 8 hours aligned on nursing shifts 2.3
8M 8 minutes post challenge 8 minutes post challenge 2.3
9M 9 minutes post challenge 9 minutes post challenge 2.3
BS Baseline (time just before the challenge) Baseline (time just before the challenge) 2.3
PEAK The time post drug dose at which the highest drug level is reached (differs by drug) The time post drug dose at which the highest drug level is reached (differs by drug) 2.3
RANDOM Time from the challenge, or dose not specified. (random) Time from the challenge, or dose not specified. (random) 2.3
TROUGH The time post drug dose at which the lowest drug level is reached (varies with drug) The time post drug dose at which the lowest drug level is reached (varies with drug) 2.3