Data Types
140 data types in HL7 v2.3
§2A.3 Data Types:Data types define the format and structure of values within message fields. They range from simple primitives (ST, NM, DT) to complex composite types (XPN, XAD, CX) that contain multiple components. Understanding data types is essential for correctly parsing and constructing HL7 messages.
AD
Address
8 components•Used in 2•Composite
CD
Channel Definition
6 components•Composite
CE
Coded Element
6 components•Used in 221•Composite
CE_0048
CE With Table 48
6 components•Used in 2•Composite
CE_0049
CE With Table 49
6 components•FT1-13•Composite
CE_0050
CE Bound to Table 50
6 components•ACC-2•Composite
CE_0051
CE Bound to Table 51
6 components•Used in 2•Composite
CE_0055
CE Bound to Table 55
6 components•Used in 2•Composite
CE_0059
CE Bound to Table 59
6 components•PR1-13•Composite
CE_0063
CE Bound to Table 63
6 components•NK1-3•Composite
CE_0066
CE Bound to Table 66
6 components•IN1-42•Composite
CE_0070
CE Bound to Table 70
6 components•Composite
CE_0072
CE Bound to Table 72
6 components•Used in 3•Composite
CE_0083
CE Bound to Table 83
6 components•Used in 2•Composite
CE_0088
CE Bound to Table 88
6 components•Used in 2•Composite
CE_0118
CE Bound to Table 118
6 components•DG1-7•Composite
CE_0129
CE Bound to Table 129
6 components•PV2-2•Composite
CE_0131
CE Bound to Table 131
6 components•Used in 3•Composite
CE_0132
CE Bound to Table 132
6 components•Used in 4•Composite
CE_0160
CE Bound to Table 160
6 components•ODT-1•Composite
CE_0162
CE Bound to Table 162
6 components•RXR-1•Composite
CE_0163
CE Bound to Table 163
6 components•RXR-2•Composite
CE_0164
CE Bound to Table 164
6 components•RXR-3•Composite
CE_0165
CE Bound to Table 165
6 components•RXR-4•Composite
CE_0172
CE Bound to Table 172
6 components•PID-27•Composite
CE_0175
CE Bound to Table 175
6 components•MFI-1•Composite
CE_0181
CE Bound to Table 181
6 components•MFA-4•Composite
CE_0184
CE Bound to Table 184
6 components•STF-8•Composite
CE_0185
CE Bound to Table 185
6 components•Used in 3•Composite
CE_0212
CE Bound to Table 212
6 components•Used in 4•Composite
CE_0215
CE Bound to Table 215
6 components•Used in 4•Composite
CE_0218
CE Bound to Table 218
6 components•GT1-26•Composite
CE_0222
CE Bound to Table 222
6 components•Used in 2•Composite
CE_0233
CE Bound to Table 233
6 components•IN3-12•Composite
CE_0247
CE Bound to Table 247
6 components•PCR-15•Composite
CE_0254
CE Bound to Table 254
6 components•OM1-42•Composite
CE_0258
CE Bound to Table 258
6 components•OM1-45•Composite
CE_0259
CE Bound to Table 259
6 components•OM1-47•Composite
CE_0262
CE Bound to Table 262
6 components•Composite
CE_0263
CE Bound to Table 263
6 components•Composite
CE_0265
CE Bound to Table 265
6 components•LDP-4•Composite
CE_0276
CE Bound to Table 276
6 components•Used in 2•Composite
CE_0277
CE Bound to Table 277
6 components•Used in 2•Composite
CE_0278
CE Bound to Table 278
6 components•Used in 5•Composite
CE_0280
CE Bound to Table 280
6 components•RF1-2•Composite
CE_0281
CE Bound to Table 281
6 components•RF1-3•Composite
CE_0282
CE Bound to Table 282
6 components•RF1-4•Composite
CE_0283
CE Bound to Table 283
6 components•RF1-1•Composite
CE_0284
CE Bound to Table 284
6 components•RF1-5•Composite
CE_0285
CE Bound to Table 285
6 components•AUT-2•Composite
CE_0286
CE Bound to Table 286
6 components•Composite
CE_0292
CE Bound to Table 292
6 components•RXD-2•Composite
CE_0293
CE Bound to Table 293
6 components•PRC-14•Composite
CE_0296
CE Bound to Table 296
6 components•Used in 4•Composite
CE_0321
CE Bound to Table 321
6 components•Composite
CE_0324
CE Bound to Table 324
6 components•LCH-4•Composite
CE_0325
CE Bound to Table 325
6 components•LRL-4•Composite
CE_0336
CE Bound to Table 336
6 components•RF1-10•Composite
CF
Coded Element With Formatted Values
6 components•Composite
CK
Composite ID With Check Digit
4 components•Used in 2•Composite
CM_ABS_RANGE
Absolute Range
4 components•OM2-8•Composite
CM_AUI
Authorization Information
3 components•IN1-14•Composite
CM_CCD
Charge Time
2 components•BLG-1•Composite
CM_CCP
Channel Calibration Parameters
CD•Primitive
CM_CD_ELECTRODE
Cd Electrode
CD•Primitive
CM_CSU
Channel Sensitivity/Units
CD•Primitive
CM_DDI
Daily Deductible
3 components•IN2-30•Composite
CM_DIN
Activation Date
2 components•Used in 2•Composite
CM_DLD
Discharge Location
2 components•PV1-37•Composite
CM_DLT
Delta Check
4 components•OM2-9•Composite
CM_DTN
Day Type and Number
2 components•IN3-11•Composite
CM_EIP
Parent Order
2 components•Used in 2•Composite
CM_ELD
Error
4 components•ERR-1•Composite
CM_LA1
Location With Address Information
16 components•Used in 5•Composite
CM_MDV
Minimum/Maximum Data Values
CD•Primitive
CM_MOC
Charge To Practise
2 components•OBR-23•Composite
CM_MSG
Message Type
2 components•MSH-9•Composite
CM_NDL
Observing Practitioner
11 components•Used in 4•Composite
CM_OCD
Occurence
2 components•Used in 2•Composite
CM_OSD
Order Sequence
TQ•Primitive
CM_OSP
Occurence Span
3 components•UB2-8•Composite
CM_PCF
Pre-certification Required
3 components•IN3-20•Composite
CM_PEN
Penalty
2 components•IN3-5•Composite
CM_PI
Person Identifier
3 components•Used in 2•Composite
CM_PIP
Privileges
4 components•PRA-7•Composite
CM_PLN
Practitioner ID Numbers
4 components•PRA-6•Composite
CM_PRL
Parent Result Link
3 components•OBR-26•Composite
CM_PTA
Policy Type
3 components•IN2-29•Composite
CM_RANGE
Value Range
2 components•Used in 4•Composite
CM_RFR
Reference Range
7 components•OM2-6•Composite
CM_RI
Interval
2 components•TQ•Composite
CM_RMC
Room Coverage
3 components•IN2-28•Composite
CM_SPD
Specialty
4 components•PRA-5•Composite
CM_SPS
Specimen Source
6 components•OBR-15•Composite
CM_UVC
Value Code and Amount
2 components•Used in 2•Composite
CM_VR
Value Qualifier
2 components•QRD-11•Composite
CM_WVI
Channel Identifier
2 components•CD•Composite
CN
Composite ID Number and Name (2.8.7)
9 components•Used in 5•Composite
CP
Composite Price
6 components•Used in 13•Composite
CQ
Composite Quantity With Units
2 components•Used in 14•Composite
CX
Extended Composite ID With Check Digit
6 components•Used in 31•Composite
DLN
Driver's License Number
3 components•Used in 2•Composite
DR
Date Time Range
2 components•ARQ-11•Composite
DT
Date
Used in 47•Primitive
ED
Encapsulated Data
5 components•Composite
EI
Entity Identifier
4 components•Used in 40•Composite
FC
Financial Class
2 components•Used in 2•Composite
FT
Formatted Text Data
Used in 11•Primitive
HD
Hierarchic Designator
3 components•Used in 16•Composite
ID
Coded Value for HL7 Tables
Used in 279•Primitive
IS
Coded Value for User Defined Tables
1 component•Used in 141•Composite
JCC
Job Code Class
2 components•Used in 4•Composite
MA
Multiplexed Array
6 components•Composite
MO
Money
2 components•Used in 5•Composite
NA
Numeric Array
4 components•Composite
NM
Numeric
Used in 137•Primitive
PL
Person Location
9 components•Used in 23•Composite
PPN
Performing Person Time Stamp
15 components•TXA-22•Composite
PT
Processing Type
2 components•MSH-11•Composite
QIP
Query Input Parameter List
2 components•Used in 2•Composite
QSC
Query Selection Criteria
4 components•VTQ-5•Composite
RCD
Row Column Definition
3 components•RDF-2•Composite
RI
Repeat Interval
2 components•ARQ-13•Composite
RP
Reference Pointer
4 components•Composite
SCV
Scheduling Class Value Pair
2 components•Used in 4•Composite
SI
Sequence ID
Used in 28•Primitive
SN
Structured Numeric
4 components•Composite
ST
String Data
Used in 268•Primitive
TM
Time
VH•Primitive
TN
Telephone Number
Used in 5•Primitive
TQ
Timing Quantity
10 components•Used in 8•Composite
TS
Time Stamp
2 components•Used in 136•Composite
TX
Text Data
Used in 17•Primitive
varies
Variable Data Type
Used in 2•Primitive
VH
Visiting Hours
4 components•LDP-10•Composite
XAD
Extended Address
10 components•Used in 21•Composite
XCN
Extended Composite ID Number and Name (2.8.46)
14 components•Used in 52•Composite
XON
Extended Composite Name and ID for Organizations (2.8.47)
8 components•Used in 15•Composite
XPN
Extended Person Name
8 components•Used in 26•Composite
XTN
Extended Telecommunication Number
9 components•Used in 33•Composite