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HL7 Segments and Descriptions

Highlighted links below provide additional information on select portions of the HL7 Standard.

Name Description
ABS Abstract
ACC Accident
ADD Addendum
ADJ Adjustment
AFF Professional Affiliation
AIG Appointment Information - General Resource
AIL Appointment Information - Location Resource
AIP Appointment Information - Personnel Resource
AIS Appointment Information
AL1 Patient Allergy Information
APR Appointment Preferences
ARQ Appointment Request
ARV Access Restriction
AUT Authorization Information
BHS Batch Header
BLC Blood Code
BLG Billing
BPO Blood product order
BPX Blood product dispense status
BTS Batch Trailer
BTX Blood Product Transfusion/Disposition
CDM Charge Description Master
CER Certificate Detail
CM0 Clinical Study Master
CM1 Clinical Study Phase Master
CM2 Clinical Study Schedule Master
CNS Clear Notification
CON Consent Segment
CSP Clinical Study Phase
CSR Clinical Study Registration
CSS Clinical Study Data Schedule Segment
CTD Contact Data
CTI Clinical Trial Identification
DB1 Disability
DG1 Diagnosis
DMI DRG Master File Information
DRG Diagnosis Related Group
DSC Continuation Pointer
DSP Display Data
ECD Equipment Command
ECR Equipment Command Response
EDU Educational Detail
EQP Equipment/log Service
EQU Equipment Detail
ERR Error
EVN Event Type
FAC Facility
FHS File Header
FT1 Financial Transaction
FTS File Trailer
GOL Goal Detail
GP1 Grouping/Reimbursement - Visit
GP2 Grouping/Reimbursement - Procedure Line Item
GT1 Guarantor
IAM Patient Adverse Reaction Information
IIM Inventory Item Master
ILT Material Lot
IN1 Insurance
IN2 Insurance Additional Information
IN3 Insurance Additional Information, Certification
INV Inventory Detail
IPC Imaging Procedure Control Segment
IPR Invoice Processing Results
ISD Interaction Status Detail
ITM Material Item
IVC Invoice Segment
IVT Material Location
LAN Language Detail
LCC Location Charge Code
LCH Location Characteristic
LDP Location Department
LOC Location Identification
LRL Location Relationship
MFA Master File Acknowledgment
MFE Master File Entry
MFI Master File Identification
MRG Merge Patient Information
MSA Message Acknowledgment
MSH Message Header
NCK System Clock
NDS Notification Detail
NK1 Next of Kin / Associated Parties
NPU Bed Status Update
NSC Application Status Change
NST Application control level statistics
NTE Notes and Comments
OBR Observation Request
OBX Observation/Result
ODS Dietary Orders, Supplements, and Preferences
ODT Diet Tray Instructions
OM1 General Segment
OM2 Numeric Observation
OM3 Categorical Service/Test/Observation
OM4 Observations that Require Specimens
OM5 Observation Batteries (Sets)
OM6 Observations that are Calculated from Other Observations
OM7 Additional Basic Attributes
ORC Common Order
ORG Practitioner Organization Unit
OVR Override Segment
PCE Patient Charge Cost Center Exceptions
PCR Possible Causal Relationship
PD1 Patient Additional Demographic
PDA Patient Death and Autopsy
PDC Product Detail Country
PEO Product Experience Observation
PES Product Experience Sender
PID Patient Identification
PKG Item Packaging
PMT Payment Information
PR1 Procedures
PRA Practitioner Detail
PRB Problem Details
PRC Pricing
PRD Provider Data
PSG Product/Service Group
PSH Product Summary Header
PSL Product/Service Line Item
PSS Product/Service Section
PTH Pathway
PV1 Patient Visit
PV2 Patient Visit - Additional Information
PYE Payee Information
QAK Query Acknowledgment
QID Query Identification
QPD Query Parameter Definition
QRD Original-Style Query Definition
QRF Original style query filter
QRI Query Response Instance
RCP Response Control Parameter
RDF Table Row Definition
RDT Table Row Data
REL Clinical Relationship Segment
RF1 Referral Information
RFI Request for Information
RGS Resource Group
RMI Risk Management Incident
ROL Role
RQ1 Requisition Detail-1
RQD Requisition Detail
RXA Pharmacy/Treatment Administration
RXC Pharmacy/Treatment Component Order
RXD Pharmacy/Treatment Dispense
RXE Pharmacy/Treatment Encoded Order
RXG Pharmacy/Treatment Give
RXO Pharmacy/Treatment Order
RXR Pharmacy/Treatment Route
SAC Specimen Container detail
SCD Anti-Microbial Cycle Data
SCH Scheduling Activity Information
SCP Sterilizer Configuration Notification (Anti-Microbial Devices)
SDD Sterilization Device Data
SFT Software Segment
SID Substance Identifier
SLT Sterilization Lot
SPM Specimen
STF Staff Identification
STZ Sterilization Parameter
TCC Test Code Configuration
TCD Test Code Detail
TQ1 Timing/Quantity
TQ2 Timing/Quantity Relationship
TXA Transcription Document Header
UAC User Authentication Credential Segment
UB1 UB82
UB2 UB92 Data
URD Results/update Definition
URS Unsolicited Selection
VAR Variance
VND Purchasing Vendor

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