2.16.840.1.113883.10.21.9.1/static-2017-05-02T000000

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Id2.16.840.1.113883.10.21.9.1Effective Date valid from 2017‑05‑02

There are versions of templates with this id:
  • Useperiod as of 2017‑05‑02
  • Useperiod as of 2017‑01‑02
StatusKyellow.png DraftVersion Label
NameUseperiodDisplay NameUV Use Period
Description
This element encodes the start and stop time of the medication regimen. This an interval of time (xsi:type='IVL_TS'), and must be specified as shown. This is an additional constraint placed upon CDA Release 2.0 by this profile, and simplifies the exchange of start/stop and frequency information between EMR systems.
ClassificationCDA Entry Level Template
Open/ClosedOpen (other than defined elements are allowed)
Used by / Uses
Used by 0 transactions and 2 templates, Uses 0 templates
Used by as NameVersion
2.16.840.1.113883.10.21.4.1IncludeKyellow.png UV Medication Order ()2015‑10‑07
2.16.840.1.113883.10.21.4.7IncludeKyellow.png UV Medication Statement ()2017‑05‑01
ItemDTCardConfDescriptionLabel
Choice1 … 1
The <effectiveTime> element encodes the period of administration of the medication, it is always expressed as an interval of time.
It may be expressed using the <low> and <high> OR with the <width> element.
The first is used to indicate a specified interval (e.g. from march 15th, 2017); the latter for indicating a 'floating' period (e.g. 2 weeks).
Elements to choose from:
  • hl7:effectiveTime[hl7:low | hl7:high]
  • hl7:effectiveTime[hl7:width]
Treetree.pnghl7:effectiveTime
IVL_TS0 … 1CCase 1: specified interval
The <low> and <high> values of the first <effectiveTime> element represent the start and stop times for the medication. The <low> value represents the start time, and the <high> value represents the stop time. If either the <low> or the <high> value is unknown, this shall be recorded by setting the nullFlavor attribute to UNK.

In case of unbounded period (continous therapy) the <high> element will be valued with the nullFlavor attribute to NA.

The <high> value records the end of the medication regime according to the information provided in the prescription or order. For example, if the prescription is for enough medication to last 30 days, then the high value should contain a date that is 30 days later then the <low> value. The rationale is that a provider, seeing an un-refilled prescription would normally assume that the medication is no longer being taken, even if the intent of the treatment plan is to continue the medication indefinitely.
Useperiod
Treeblank.png where [hl7:low or
hl7:high]
Treeblank.pngTreetree.png@nullFlavor
cs0 … 1 
 Example
Known Interval
<effectiveTime xsi:type="IVL_TS">
  <low value="20130321"/>  <high value="20140321"/></effectiveTime>
 Example
Information not available about the period
<effectiveTime xsi:type="IVL_TS" nullFlavor="NI"/>
 Example
Unknown end date
<effectiveTime xsi:type="IVL_TS">
  <low value="20130321"/>  <high nullFlavor="UNK"/></effectiveTime>
 Example
continous therapy
<effectiveTime xsi:type="IVL_TS">
  <low value="20130321"/>  <high nullFlavor="NA"/></effectiveTime>
Treeblank.pngTreetree.pnghl7:low
IVXB_TS1 … 1RUseperiod
Treeblank.pngTreetree.pnghl7:high
IVXB_TS0 … 1RUseperiod
Treetree.pnghl7:effectiveTime
IVL_TS0 … 1CCase 2: 'floating' period:
The width element is used to specify a period of (actual or intended) administration that is not anchored to any specific date (e.g. a two weeks therapy.....)
Useperiod
Treeblank.png where [hl7:width]
 Example
2 week period
<effectiveTime xsi:type="IVL_TS">
  <width value="2" unit="w"/></effectiveTime>
Treeblank.pngTreetree.pnghl7:low
NPUseperiod
Treeblank.pngTreetree.pnghl7:width
PQ1 … 1RUseperiod
Treeblank.pngTreeblank.pngTreetree.png@unit
cs1 … 1R
 CONF
The value of @unit shall be drawn from value set 2.16.840.1.113883.11.21.1 Medication Time Units (UCUM) (DYNAMIC)