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The equipment log/service segment is the data necessary to maintain an adequate audit trail of events that have occurred on a particular piece of equipment.

HL7 Attribute Table - EQP - Equipment Log/Service Segment

Seq#	DataElement	Description	Must Implement	Flags	Cardinality	Length	C.LEN	Vocabulary	DataType
EQP
1	01430	Event type	SHALL		[1..1]			0450 Event Type	CWE
2	01431	File Name		=	[0..1]		20		ST
3	01202	Start Date/Time	SHALL		[1..1]				DTM
4	01432	End Date/Time			[0..1]				DTM
5	01433	Transaction Data	SHALL		[1..1]				FT

Definition: This field identifies the type of event of the message. Refer to HL7 Table 0450 – Event Type in Chapter 2C, Code Tables, for valid values.

Definition: This field is the physical file name that is being used to store information about the transmitted log and/or service event.

(Definition from AIS.4 in Ch. 10)

Definition: This field contains the date and time this service needs for the appointment. This field allows the application to identify that the service is required for the appointment at a different time than the appointment's start date/time.

This field is conditionally required. If a value for AIS-5-Start Date/Time Offset is not provided, then a value is required for this field. To specify that there is no difference between the appointment's start date/time and the resource's start date/time either replicate the appointment's start date/time into this field, or specify an offset of zero (0) in AIS-5-Start Date/Time Offset and any valid time unit code in AIS-6-Start Date/Time Offset Units.

(Definition from AIG.8 in Ch. 10)

Definition: This field contains the date and time this service needs for the appointment. This field allows the application to identify that the service is required for the appointment at a different time than the appointment's start date/time

This field is conditionally required. If a value for AIG-9-Start Date/Time Offset is not provided, then a value is required for this field. To specify that there is no difference between the appointment's start date/time and the resource's start date/time either replicate the appointment's start date/time into this field, or specify an offset of zero (0) in AIG-9-Start Date/Time Offset and any valid time unit code in AIG-10-Start Date/Time Offset Units.

(Definition from AIL.6 in Ch. 10)

Definition: This field contains the date and time this service needs for the appointment. This field allows the application to identify that the service is required for the appointment at a different time than the appointment's start date/time

This field is conditionally required. If a value for AIL-7 Start Date/Time Offset is not provided, then a value is required for this field. To specify that there is no difference between the appointment's start date/time and the resource's start date/time either replicate the appointment's start date/time into this field, or specify an offset of zero (0) in AIL-7 Start Date/Time Offset and any valid time unit code in AIL-8-Start Date/Time Offset Units.

(Definition from AIP.6 in Ch. 10)

Definition: This field contains the date and time this service needs for the appointment. This field allows the application to identify that the service is required for the appointment at a different time than the appointment's start date/time.

This field is conditionally required. If a value for AIP-7 Start Date/Time Offset is not provided, then a value is required for this field. To specify that there is no difference between the appointment's start date/time and the resource's start date/time either replicate the appointment's start date/time into this field, or specify an offset of zero (0) in AIP-7 Start Date/Time Offset and any valid time unit code in AIP-8 Start Date/Time Offset Units.

(Definition from EQP.3 in Ch. 13)

Definition: This field is the date/time that the event started.

Definition: This field is the date/time that the event was completed.

Definition: This field is the data that the log and/or service event was about and is to be logged.