HL7 CDA R2 AIS Implementation Guide

HL7 Additional Information Specification Implementation GuideCDAR2AIS0000R0303.7.16.2.2 Event related administrationSome administrations are temporally related to daily events, such as meals, waking or sleeping.These are recorded using the EIVL data type, as shown below.The event code indicates which event the timing is based on, using one of the codes from Table3.7-3.codeACACDACMACVHSICICDICMICVPCPCDPCMPCVTable 3.7-3 Event Codes for EIVLdefinitionbefore meal (from lat. ante cibus)before lunch (from lat. ante cibus diurnus)before breakfast (from lat. ante cibus matutinus)before dinner (from lat. ante cibus vespertinus)the hour of sleepbetween meals (from lat. inter cibus)between lunch and dinnerbetween breakfast and lunchbetween dinner and the hour of sleepafter meal (from lat. post cibus)after lunch (from lat. post cibus diurnus)after breakfast (from lat. post cibus matutinus)after dinner (from lat. post cibus vespertinus)The element of the element indicates the time before or after the event at whichadministration starts. The element uses the PQ data type. The @value attribute must bepresent, and indicates the duration before (if negative) or after (if positive), and the @unitattribute is the unit of time. The @unit attribute must also be present, and contain one of the unitcodes shown in Table 3.7-2.If the administration is to occur for a specific duration, this shall be recorded in the element of the element. The element uses the PQ data type. The @valueattribute must be present, and indicates the duration, and the @unit attribute is the unit of time.The @unit attribute must also be present, and contain one of the unit codes shown in Table 3.7-2.In most cases the additional information specification will allow the timing and quantity answerpart to repeat, e.g., to express "two pills four times a day for 4 days then 1 pill four times a dayfor 4 days."Page 68March 2007Copyright © 1998-2007Health Level Seven, Inc. All rights reserved.Release 3.0 Draft Standard