Appendix 3: HL7 Version 2.x Data Types

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APPENDIX 3

HL7 Version 2.x Data Types

The following are the data types supported by the HL7 Accelerator in BizTalk 2013. Microsoft added support for HL7 Version 2.6 in BizTalk 2013 R2. You can view the changes for the Version 2.6 data types in Appendix 4.

Note All the information contained within these sections is from the HL7 Version 2.5.1 Standard Implementation Guide. You can view the brief for this guide at www.hl7.org/implement/standards/product_brief.cfm?product_id=144.

Data Structure—Definition

Table A3-1 lists the complex data structures used in Version 2.5.1.

Table A3-1. Complex Data Structure Definitions

Data Structure	Description
AD	Address
AUI	Authorization Information
CCD	Charge Code and Date
CCP	Channel Calibration Parameters
CD	Channel Definition
CE	Coded Element
CF	Coded Element with Formatted Values
CNE	Coded with No Exceptions
CNN	Composite ID Number and Name Simplified
CP	Composite Price
CQ	Composite Quantity with Units
CSU	Channel Sensitivity
CWE	Coded with Exceptions
CX	Extended Composite ID with Check Digit
DDI	Daily Deductible Information
DIN	Date and Institution Name
DLD	Discharge Location and Date
DLN	Driver's License Number
DLT	Delta
DR	Date/Time Range
DT	Date
DTM	Date/Time
DTN	Day Type and Number
ED	Encapsulated Data
EI	Entity Identifier
EIP	Entity Identifier Pair
ELD	Error Location and Description
ERL	Error Location
FC	Financial Class
FN	Family Name
FT	Formatted Text Data
GTS	General Timing Specification
HD	Hierarchic Designator
ICD	Insurance Certification Definition
ID	String Data
IS	String Data
JCC	Job Code/Class
LA1	Location with Address Variation 1
LA2	Location with Address Variation 2
MA	Multiplexed Array
MO	Money
MOC	Money and Code
MOP	Money or Percentage
MSG	Message Type
NA	Numeric Array
NDL	Name with Date and Location
NM	Numeric
NR	Numeric Range
NUL
OCD	Occurrence Code and Date
OSD	Order Sequence Definition
OSP	Occurrence Span Code and Date
PIP	Practitioner Institutional Privileges
PL	Person Location
PLN	Practitioner License or Other ID Number
PPN	Performing Person Time Stamp
PRL	Parent Result Link
PT	Processing Type
PTA	Policy Type and Amount
QIP	Query Input Parameter List
QSC	Query Selection Criteria
RCD	Row Column Definition
RFR	Reference Range
RI	Repeat Interval
RMC	Room Coverage
RP	Reference Pointer
RPT	Repeat Pattern
SAD	Street Address
SCV	Scheduling Class Value Pair
SI	Sequence ID
SN	Structured Numeric
SPD	Specialty Description
SPS	Specimen Source
SRT	Sort Order
ST	String Data
TM	Time
TQ	Timing Quantity
TS	Time Stamp
TX	Text Data
UVC	UB Value Code and Amount
varies	Varies
VH	Visiting Hours
VID	Version Identifier
VR	Value Range
WVI	Channel Identifier
WVS	Waveform Source
XAD	Extended Address
XCN	Extended Composite ID Number and Name for Persons
XON	Extended Composite Name and Identification Number for Organizations
XPN	Extended Person Name
XTN	Extended Telecommunication Number

Each of the above complex data structures contains multiple components. Let’s look at one of these.

Data Structure AD

This data structure defines what components are in the address data structure. Table A3-2 shows these.

Table A3-2. Address Components

The last column in Table A3-2 lists the base data type for a component. An example of this is the street address. The base data type for this is ST. This refers to string data.

Table A3-3 shows all the HL7 data types for the components used in the data structures.

Table A3-3. HL7 Data Types

Data Type Category	Data Type	Data Type Name
Alphanumeric
	ST	String
	TX	Text data
	FT	Formatted text
Numerical
	NM	Numeric
	SI	Sequence ID
	SN	Structured numeric
Identifier
	ID	Coded values for HL7 tables
	EI	Entity identifier
	PT	Processing type
Date/Time
	DT	Date
	TS	Time stamp
Code Values
	CE	Coded element
	CF	Coded element with formatted values
	CK	Composite ID with check digit
	CN	Composite ID number and name
	CX	Extended composite ID with check digit
	XCN	Extended composite ID number and name
Demographics
	AD	Address
	PN	Person name
	TN	Telephone number
	XON	Extended composite name and ID number for organizations
	XTN	Extended telecommunications number

Rules Applied to Components

HL7 Version 2.5 and higher have restrictions on the maximum lengths of data types. The following are the rules that apply.

The upper bound maximum length of a data type is the sum of the following:
1. The combined length of all components (including those not required) that are not mutually exclusive.
2. The combined length of the largest set of mutually exclusive components.
3. The combined length of message delimiters that are required to construct the field.
The lower bound maximum length of a data type is the sum of the following:
1. The combined length of all required components that are not mutually exclusive.
2. The combined length of the largest set of mutually exclusive required components.
3. The combined length of message delimiters that are required to construct the field.

Tip The information contained in this appendix is just a sampling of the information about the HL7 Version 2.5 and above data types. You can find more information in The HL7 Implementation Guide for the HL7 version 2.x you are using, by viewing the HL7 Product Brief for the Version 2 Product suite at www.hl7.org/implement/standards/product_brief.cfm?product_id=185.

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Table of Contents for Appendix 3: HL7 Version 2.x Data Types

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Appendix 3: HL7 Version 2.x Data Types