HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v6.0.0: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: TimingEvent

Official URL: http://terminology.hl7.org/CodeSystem/v3-TimingEvent Version: 3.0.0
Active as of 2019-03-20 Responsible: Health Level Seven International Computable Name: TimingEvent
Other Identifiers: OID:2.16.840.1.113883.5.139

Copyright/Legal: This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html


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

Generated Narrative: CodeSystem v3-TimingEvent

Language: en


This code system defines the following properties for its concepts

Specializes Specializes Coding The child code is a more narrow version of the concept represented by the parent code. I.e. Every child concept is also a valid parent concept. Used to allow determination of subsumption. Must be transitive, irreflexive, antisymmetric.
Generalizes Generalizes Coding Inverse of Specializes. Only included as a derived relationship.
internalId internalId http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id code The internal identifier for the concept in the HL7 Access database repository.
Status status http://hl7.org/fhir/concept-properties#status code Designation of a concept's state. Normally is not populated unless the state is retired.
HL7 Concept Usage Notes HL7usageNotes http://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotes string HL7 Concept Usage Notes


This case-sensitive code system http://terminology.hl7.org/CodeSystem/v3-TimingEvent defines the following codes in a Is-A hierarchy:

LvlCodeDefinitioninternalIdStatusHL7 Concept Usage Notes
1 AC

before meal (from lat. ante cibus)

10708 active

before lunch (from lat. ante cibus diurnus)

10712 active

before breakfast (from lat. ante cibus matutinus)

10711 active

before dinner (from lat. ante cibus vespertinus)

10713 active
1 C

Description: meal (from lat. ante cibus)

22717 active
2   CD

Description: lunch (from lat. cibus diurnus)

22719 active
2   CM

Description: breakfast (from lat. cibus matutinus)

22718 active
2   CV

Description: dinner (from lat. cibus vespertinus)

22720 active
1 HS

Description: Prior to beginning a regular period of extended sleep (this would exclude naps). Note that this might occur at different times of day depending on a person's regular sleep schedule.

10707 active
1 IC

between meals (from lat. inter cibus)

10710 active

between lunch and dinner

10718 active

between breakfast and lunch

10717 active

between dinner and the hour of sleep

10719 active
1 PC

after meal (from lat. post cibus)

10709 active

after lunch (from lat. post cibus diurnus)

10715 active

after breakfast (from lat. post cibus matutinus)

10714 active

after dinner (from lat. post cibus vespertinus)

10716 active

Description: Upon waking up from a regular period of sleep, in order to start regular activities (this would exclude waking up from a nap or temporarily waking up during a period of sleep)

Usage Notes: e.g.

Take pulse rate on waking in management of thyrotoxicosis.

Take BP on waking in management of hypertension

Take basal body temperature on waking in establishing date of ovulation

22721 active e.g. Take pulse rate on waking in management of thyrotoxicosis. Take BP on waking in management of hypertension Take basal body temperature on waking in establishing date of ovulation


2023-11-14reviseMarc DuteauTSMGAdd standard copyright and contact to internal content; up-476
2022-10-18reviseMarc DuteauTSMGFixing missing metadata; up-349
2022-02-17 00:00:32+1100reviseGrahame GrieveVocabulary WGPopulate Missing caseSensitive property; UP-286
2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.