2062665-001 G 47
HL7 Data Segment Definitions: Abbreviations
M
MRG Merge Segment
MSH Message Segment Header
MSA Message Segment Acknowledgment
N
Nno
NACK negative acknowledgment code
NM numeric
Num number
O
OBR observation request
Obs observation
OBX observation result
O optional
P
PDM Patient Data Model
PN part number, person name
PID Patient Identification
PV1 Patient Visit
Q
QRD Query Definition
R
Req request
Req. Field required field
Rev revision
S
Seq sequence
ST string data
T
TCP/IP Transmission Control Protocol/Internet
Protocol
TN telephone number
TS time stamp
U
U unknown
Y
Y/O yes/optional
Y/R yes/required
Y yes
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