HL7 v2.7 Vocabulary
0.1.0 - ci-build

HL7 v2.7 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v27/ and changes regularly. See the Directory of published versions

CodeSystem: Data Types (2.7 - 1.1.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/dataTypes Version: 1.1.0
Active as of 2026-01-27 Computable Name: DataTypes
Other Identifiers: OID:2.16.840.1.113883.18.280

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying the format of the observation value in the Observation Result (OBX). Used in HL7 Version 2.x messaging in the OBX, OM1, OM3 and OMC segments.

This Code system is referenced in the content logical definition of the following value sets:

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescription
versionIntroduced versionIntroduced http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced string version when was this code introduced
versionDeprecated versionDeprecated http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated string version when was this code deprecated
status status http://hl7.org/fhir/concept-properties#status code A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment comment http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment string A string that provides additional detail pertinent to the use or understanding of the concept
usage usage http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage string usage notes for this code
modified modified http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified dateTime date of last modification

Concepts

This case-sensitive code system http://terminology.hl7.org/v2plusvocab/CodeSystem/dataTypes defines the following codes:

CodeDisplayDefinitionversionIntroducedstatususagemodified
AD Address Address 2.4 415
AUI Authorization information Authorization information 2.5 239
CCD Charge code and date Charge code and date 2.5 28
CCP Channel calibration parameters Channel calibration parameters 2.5 20
CD Channel definition Channel definition 2.4 581
CE Coded element Coded element 2.4 inactive 483 2020-09-23
CF Coded element with formatted values Coded element with formatted values 2.4 65536
CK Composite ID with check digit Composite ID with check digit 2.4 inactive 2020-09-23
CM Composite Composite 2.4 inactive 2020-09-23
CN Composite ID number and name Composite ID number and name 2.4 inactive 2020-09-23
CNE Coded with no exceptions Coded with no exceptions 2.4 705
CNN Composite ID number and name simplified Composite ID number and name simplified 2.5 406
CP Composite price Composite price 2.4 543
CQ Composite quantity with units Composite quantity with units 2.4 500
CSU Channel sensitivity and units Channel sensitivity and units 2.5 490
CWE Coded with exceptions Coded with exceptions 2.4 705
CX Extended composite ID with check digit Extended composite ID with check digit 2.4 1913
DDI Daily deductible information Daily deductible information 2.5 25
DIN Date and institution name Date and institution name 2.5 510
DLD Discharge to location and date Discharge to location and date 2.5 47
DLN Driver's license number Driver's license number 2.4 66
DLT Delta Delta 2.5 45
DR Date/time range Date/time range 2.4 53
DT Date Date 2.4 8
DTM Date/time Date/time 2.5 24
DTN Day type and number Day type and number 2.5 6
ED Encapsulated data Encapsulated data 2.4 65536
EI Entity identifier Entity identifier 2.4 427
EIP Entity identifier pair Entity identifier pair 2.5 855
ELD Error location and description Error location and description 2.5 inactive 493 2020-09-23
ERL Error location Error location 2.5 18
FC Financial class Financial class 2.4 47
FN Family name Family name 2.4 194
FT Formatted text Formatted text 2.4 65536
GTS General timing specification General timing specification 2.5 199
HD Hierarchic designator Hierarchic designator 2.4 227
ICD Insurance certification definition Insurance certification definition 2.5 40
ID Coded values for HL7 tables Coded values for HL7 tables 2.4 Variable
IS Coded value for user-defined tables Coded value for user-defined tables 2.4 20
JCC Job code/class Job code/class 2.4 292
LA1 Location with address variation 1 Location with address variation 1 2.5 415
LA2 Location with address variation 2 Location with address variation 2 2.5 790
MA Multiplexed array Multiplexed array 2.4 65536
MO Money Money 2.4 20
MOC Money and charge code Money and charge code 2.5 504
MOP Money or percentage Money or percentage 2.5 23
MSG Message type Message type 2.5 15
NA Numeric array Numeric array 2.4 65536
NDL Name with date and location Name with date and location 2.5 835
NM Numeric Numeric 2.4 16
NR Numeric range Numeric range 2.5 33
OCD Occurrence code and date Occurrence code and date 2.5 714
OSD Order sequence definition Order sequence definition 2.5 inactive 110 2020-09-23
OSP Occurrence span code and date Occurrence span code and date 2.5 723
PIP Practitioner institutional privileges Practitioner institutional privileges 2.5 1413
PL Person location Person location 2.4 1230
PLN Practitioner license or other ID number Practitioner license or other ID number 2.5 101
PN Person name Person name 2.4 inactive 2020-09-23
PPN Performing person time stamp Performing person time stamp 2.4 2993
PRL Parent result link Parent result link 2.5 755
PT Processing type Processing type 2.4 3
PTA Policy type and amount Policy type and amount 2.5 56
QIP Query input parameter list Query input parameter list 2.4 212
QSC Query selection criteria Query selection criteria 2.4 219
RCD Row column definition Row column definition 2.4 19
RFR Reference range Reference range 2.5 352
RI Repeat interval Repeat interval 2.4 206
RMC Room coverage Room coverage 2.5 82
RP Reference pointer Reference pointer 2.4 273
RPT Repeat pattern Repeat pattern 2.5 984
SAD Street Address Street Address 2.4 184
SCV Scheduling class value pair Scheduling class value pair 2.4 41
SI Sequence ID Sequence ID 2.4 4
SN Structured numeric Structured numeric 2.4 36
SNM String of telephone number digits String of telephone number digits 2.7
SPD Specialty description Specialty description 2.5 112
SPS Specimen source Specimen source 2.5 inactive 4436 2020-09-23
SRT Sort order Sort order 2.4 15
ST String data String data 2.4 199
TM Time Time 2.4 16
TN Telephone number Telephone number 2.4 inactive 199 2020-09-23
TQ Timing/quantity Timing/quantity 2.4 inactive 1209 2020-09-23
TS Time stamp Time stamp 2.4 inactive 26 2020-09-23
TX Text data Text data 2.4 65536
UVC UB value code and amount UB value code and amount 2.5 41
VH Visiting hours Visiting hours 2.4 41
VID Version identifier Version identifier 2.4 973
VR Value range Value range 2.5 13
WVI Channel Identifier Channel Identifier 2.5 22
WVS Waveform source Waveform source 2.5 17
XAD Extended address Extended address 2.4 631
XCN Extended composite ID number and name for persons Extended composite ID number and name for persons 2.4 3002
XON Extended composite name and ID number for organizations Extended composite name and ID number for organizations 2.4 567
XPN Extended person name Extended person name 2.4 1103
XTN Extended telecommunications number Extended telecommunications number 2.4 850