HL7 v2.6 Vocabulary
0.1.0 - ci-build

HL7 v2.6 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.v26/ and changes regularly. See the Directory of published versions

CodeSystem: Data Types (2.6 - 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
AUI Authorization information Authorization information 2.5
CCD Charge code and date Charge code and date 2.5
CCP Channel calibration parameters Channel calibration parameters 2.5
CD Channel definition Channel definition 2.4
CE Coded element Coded element 2.4
CF Coded element with formatted values Coded element with formatted values 2.4
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
CNN Composite ID number and name simplified Composite ID number and name simplified 2.5 406 2024-08-08
CP Composite price Composite price 2.4
CQ Composite quantity with units Composite quantity with units 2.4
CSU Channel sensitivity Channel sensitivity 2.5
CWE Coded with exceptions Coded with exceptions 2.4
CX Extended composite ID with check digit Extended composite ID with check digit 2.4
DDI Daily deductible information Daily deductible information 2.5
DIN Date and institution name Date and institution name 2.5
DLD Discharge to location and date Discharge to location and date 2.5
DLN Driver's license number Driver's license number 2.4
DLT Delta Delta 2.5
DR Date/time range Date/time range 2.4
DT Date Date 2.4
DTM Date/time Date/time 2.5
DTN Day type and number Day type and number 2.5
ED Encapsulated data Encapsulated data 2.4
EI Entity identifier Entity identifier 2.4
EIP Entity identifier pair Entity identifier pair 2.5
ELD Error location and description Error location and description 2.5
ERL Error location Error location 2.5
FC Financial class Financial class 2.4
FN Family name Family name 2.4
FT Formatted text Formatted text 2.4
GTS General timing specification General timing specification 2.5
HD Hierarchic designator Hierarchic designator 2.4
ICD Insurance certification definition Insurance certification definition 2.5
ID Coded values for HL7 tables Coded values for HL7 tables 2.4
IS Coded value for user-defined tables Coded value for user-defined tables 2.4
JCC Job code/class Job code/class 2.4
LA1 Location with address variation 1 Location with address variation 1 2.5
LA2 Location with address variation 2 Location with address variation 2 2.5
MA Multiplexed array Multiplexed array 2.4
MO Money Money 2.4
MOC Money and charge code Money and charge code 2.5
MOP Money or percentage Money or percentage 2.5
MSG Message type Message type 2.5
NA Numeric array Numeric array 2.4
NDL Name with location and date Name with location and date 2.5
NM Numeric Numeric 2.4
NR Numeric range Numeric range 2.5
OCD Occurrence code and date Occurrence code and date 2.5
OSD Order sequence definition Order sequence definition 2.5
OSP Occurrence span code and date Occurrence span code and date 2.5
PIP Practitioner institutional privileges Practitioner institutional privileges 2.5
PL Person location Person location 2.4
PLN Practitioner license or other ID number Practitioner license or other ID number 2.5
PN Person name Person name 2.4 inactive 2020-09-23
PPN Performing person time stamp Performing person time stamp 2.4
PRL Parent result link Parent result link 2.5
PT Processing type Processing type 2.4
PTA Policy type and amount Policy type and amount 2.5
QIP Query input parameter list Query input parameter list 2.4
QSC Query selection criteria Query selection criteria 2.4
RCD Row column definition Row column definition 2.4
RFR Reference range Reference range 2.5
RI Repeat interval Repeat interval 2.4
RMC Room coverage Room coverage 2.5
RP Reference pointer Reference pointer 2.4
RPT Repeat pattern Repeat pattern 2.5
SAD Street Address Street Address 2.4
SCV Scheduling class value pair Scheduling class value pair 2.4
SI Sequence ID Sequence ID 2.4
SN Structured numeric Structured numeric 2.4
SPD Specialty description Specialty description 2.5
SPS Specimen source Specimen source 2.5
SRT Sort order Sort order 2.4
ST String String 2.4
TM Time Time 2.4
TN Telephone number Telephone number 2.4 inactive 2020-09-23
TQ Timing/quantity Timing/quantity 2.4
TS Time stamp Time stamp 2.4
TX Text data Text data 2.4
UVC UB value code and amount UB value code and amount 2.5
VH Visiting hours Visiting hours 2.4
VID Version identifier Version identifier 2.4
VR Value range Value range 2.5
WVI Channel Identifier Channel Identifier 2.5
WVS Waveform source Waveform source 2.5
XAD Extended address Extended address 2.4
XCN Extended composite ID number and name Extended composite ID number and name 2.4
XON Extended composite name and ID number for organizations Extended composite name and ID number for organizations 2.4
XPN Extended person name Extended person name 2.4
XTN Extended telecommunications number Extended telecommunications number 2.4