Welch Allyn Connectivity Server - Programmers guide - Manual (Page 51)

Programmer’s Guide Inbound ADT HL7 messages 47
Data types
The HL7 Standard allows for different data formats for each of the following data types.
This section documents general attributes of each data format.
Table 23. Data type descriptions
Data type Definition Data format attributes and notes
Alphanumeric
ST String
TX Text data
FT Formatted text
Numerical
CQ Composite quantity with units <quantity (NM)> ^ <units (CE)>
MO Money <quantity (NM)> ^
<denomination (ID)>
NM Numeric
SI Sequence ID
SN Structured numeric <comparator> ^ <num1 (NM)>
^ <separator/suffix> ^ <num2
(NM)>
Identifier
IS Coded values for
HL7 tables
IS Coded value for user-defined tables
HD Hierarchic designator <namespace ID (IS)> ^
<universal ID (ST)> ^
<universal ID type (ID)>
Used only as part of EI and
other data types.
EI Entity identifier <entity identifier (ST)> ^
<namespace ID (IS)> ^
<universal ID (ST)> ^
<universal ID type (ID)>
RP Reference pointer <pointer (ST) > ^ < application
ID (HD)> ^ <type of data (ID)>
^ <subtype (ID)>
PL Person location <point of care (IS)> ^ <room
(IS)> ^ <bed (IS)> ^ <facility
(HD)> ^ < location status (IS
)> ^ <person location type
(IS)> ^ <building (IS)> ^ <floor
(IS)> ^ <location description
(ST)>
PT Processing type <processing ID (ID)> ^
<processing mode (ID)>
Date/Time
DT Date YYYY[MM[DD]]
TM Time HH[MM[SS[.S[S[S[S]]]]]][+/-ZZZZ]
TS Time stamp YYYY[MM[DD[HHMM[SS[.S[S[
S[S]]]]]]]][+/-ZZZZ] ^ <degree of
precision>