Data Elements

2,203 data elements in HL7 v2.7

Chapter 2A: Data Types:Data elements are the fundamental units of information in HL7 messages. Each element has a unique identifier, data type, and optionality. They represent specific clinical or administrative concepts and can appear in multiple segment fields across the specification.
00001
Field Separator
STMSH-1
00002
Encoding Characters
STMSH-2
00003
Sending Application
HD0361MSH-3
00004
Sending Facility
HD0362MSH-4
00005
Receiving Application
HD0361MSH-5
00006
Receiving Facility
HD0362MSH-6
00007
Date/Time of Message
DTMMSH-7
00008
Security
STMSH-8
00009
Message Type
MSGMSH-9
00010
Message Control ID
ST2 segments
00011
Processing ID
PTMSH-11
00012
Version ID
VIDMSH-12
00013
Sequence Number
NMMSH-13
00014
Continuation Pointer
ST2 segments
00015
Accept Acknowledgment Type
ID0155MSH-15
00016
Application Acknowledgment Type
ID0155MSH-16