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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)> ^

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)> ^

Used only as part of EI and

other data types.

EI Entity identifier <entity identifier (ST)> ^

<namespace ID (IS)> ^

<universal ID (ST)> ^

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)> ^

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>

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 63 64

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