Timing Type: Specifies an event that may occur multiple times. Timing schedules are used to record when things are planned, expected or requested to occur. The most common usage is in dosage instructions for medications. They are also used when planning care of various kinds, and may be used for reporting the schedule to which past regular activities were carried out.

Timing
event
When the event occurs
repeat
When the event is to occur
bounds[x]
Length/Range of lengths, or (Start and/or end) limits
count
Number of times to repeat
countMax
Maximum number of times to repeat
duration
How long when it happens
durationMax
How long when it happens (Max)
durationUnit
s | min | h | d | wk | mo | a - unit of time (UCUM)
frequency
Indicates the number of repetitions that should occur within a period. I.e. Event occurs frequency times per period
frequencyMax
Event occurs up to frequencyMax times per period
period
The duration to which the frequency applies. I.e. Event occurs frequency times per period
periodMax
Upper limit of period (3-4 hours)
periodUnit
s | min | h | d | wk | mo | a - unit of time (UCUM)
dayOfWeek
mon | tue | wed | thu | fri | sat | sun
timeOfDay
Time of day for action
when
Code for time period of occurrence
offset
Minutes from event (before or after)
code
C | BID | TID | QID | AM | PM | QD | QOD | +