6.12 MRG-Merge Patient Information Segment

The MRG segment provides receiving applications with information necessary to initiate the merging of patient data as well as groups of records. It is intended that this segment be used throughout the standard to allow the merging of registration, accounting, and clinical records within specific applications.

Seq	Element Name	Req		Len	Comments
0	Segment ID (MRG)	R		3	“MRG”
1	Prior Patient ID - Internal	R		20
2	Prior Alternate Patient ID	R		16
3	Prior Patient Account Number	R		20
4	Prior Patient ID - External	R		16
5	Prior Visit Number	R		15
6	Prior Alternate Visit ID	R		20
7	Prior Patient Name	R		48
R = Required, CR = Conditionally Required, O = Optional, N = Numeric, AN = Alpha/Numeric, ID = Segment Identification

6.13 XO1-LINKTools® Interface Engine Segment

The XO1 and all the XO* segments are custom segments used in LINKTools® interface only and will not be transmitted out of the LINKTools® interface environment

NOTE: HL7 SFT, UAC, ROL, ARV, PD1 and DB1 segments and fields will not be described in this tutorial.