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12.1.3 Trigger events

The trigger events originate goal, problem and pathway messages. Each trigger event is documented below, along with the appropriate form of the message exchange. These are message level event triggers, which are augumented by the action code fields contained in the pathway, problem and goal segments described below. Action codes are required fields in patient care message segments (see Chapter 2 for further information regarding implementation issues). Implementors need to apply the appropriate logic as part of their message construction (for example, logic would state that an "add" trigger event should not include segments with a "delete" action code).

In order to accommodate these high level events, the following patient care events are included in HL7 table 0003 - Event type. The added events are instantiated in MSH-9-message type and are used by the pathway, problem, and goal messages. MSH-9-message type contains the message type and trigger event for the message.

Patient Care Trigger Events:

Table 0003 - Event type (patient care events only)

Value

Description

PC1

PPR - PC/ Problem Add

PC2

PPR - PC/ Problem Update

PC3

PPR - PC/ Problem Delete

PC4

QRY - PC/ Problem Query

PC5

PRR - PC/ Problem Response

PC6

PGL - PC/ Goal Add

PC7

PGL - PC/ Goal Update

PC8

PGL - PC/ Goal Delete

PC9

QRY - PC/ Goal Query

PCA

PPV - PC/ Goal Response

PCB

PPP - PC/ Pathway (Problem-Oriented) Add

PCC

PPP - PC/ Pathway (Problem-Oriented) Update

PCD

PPP - PC/ Pathway (Problem-Oriented) Delete

PCE

QRY - PC/ Pathway (Problem-Oriented) Query

PCF

PTR - PC/ Pathway (Problem-Oriented) Query Response

PCG

PPG - PC/ Pathway (Goal-Oriented) Add

PCH

PPG - PC/ Pathway (Goal-Oriented) Update

PCJ

PPG - PC/ Pathway (Goal-Oriented) Delete

PCK

QRY - PC/ Pathway (Goal-Oriented) Query

PCL

PPT - PC/ Pathway (Goal-Oriented) Query Response

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