Release 4 HL7 v3 Code System TimingEvent

Vocabulary Work Group Maturity Level: N/AExternal Use Context: Any

This code system ( is defined as part of HL7 v3.


Defining URL:
Title:v3 Code System TimingEvent


OID:2.16.840.1.113883.5.139 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

Release Date: 2018-08-12

1AC AC before meal (from lat. ante cibus)
1ACD ACD before lunch (from lat. ante cibus diurnus)
1ACM ACM before breakfast (from lat. ante cibus matutinus)
1ACV ACV before dinner (from lat. ante cibus vespertinus)
1C C Description: meal (from lat. ante cibus)
2  CD CD Description: lunch (from lat. cibus diurnus)
2  CM CM Description: breakfast (from lat. cibus matutinus)
2  CV CV Description: dinner (from lat. cibus vespertinus)
1HS 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.
1IC IC between meals (from lat. inter cibus)
1ICD ICD between lunch and dinner
1ICM ICM between breakfast and lunch
1ICV ICV between dinner and the hour of sleep
1PC PC after meal (from lat. post cibus)
1PCD PCD after lunch (from lat. post cibus diurnus)
1PCM PCM after breakfast (from lat. post cibus matutinus)
1PCV PCV after dinner (from lat. post cibus vespertinus)
1WAKE WAKE 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