HL7 Version 2.x Resources

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  February 26, 2018 

HL7 V2.x Resources

What is HL7 V2?

The Health Level 7 Version 2 Standard is the globally most widely implemented healthcare systems interoperability standard.  From the first V2.1 systems implementations in 1990, V2.5 that has been mandated by the US 'Meaningful Use' legislation to the most recent V2.8.2 standard, HL7 V2.x is the basis of eHealth interoperability world-wide.  There are plenty of HL7 V2 tools and resources, extensive HL7 V2 training and certification courses, a global workforce of HL7 Experts and HL7 Implementers as well as an extensive HL7 Job market.

HL7 V2.x Introduction & Information

What is HL7 V2.x?  A simple introduction to the Health Level 7 eHealth Standards

What is HL7?  A comprehensive HL7 Overview (WikiPedia)

What is HL7 International?  The official site of the HL7 organisation

HL7 Books & eHealth Books we Recommend:

Download the HL7 Standards - CDA, V2.x, V3, Arden Syntax & EHR Functional Model


NEW: Meaningful Use and Beyond: A Guide for IT Staff in Health Care - Are you ready to take your IT skills to the healthcare industry?  This concise book explains how the US healthcare system is implementing Electronic Health Records ("EHRs") and other IT systems to comply with the US government’s Meaningful Use requirements.  A tremendous opportunity for tens of thousands of IT professionals, the Meaningful Use program requires a complete makeover of archaic paper records systems, cumbersome workflows and other outdated practices.  This book describes in detail how hospitals and doctors’ offices differ from other organizations that use IT and explains how to bridge the gap between clinicians and IT staff.

Electronic Health Records For Dummies - a helpful, plain-English guide for doctors, nurses and healthcare administrators to understand, implement and use an Electronic Health Record system.

Health Care Information Systems: A Practical Approach for Health Care Management - the Best Selling textbook in the field.  Mark Leavitt, MD, PhD, CCHIT Chairman said "With health care information technology now in the national policy spotlight, this book should be required reading for every health care administrator and student.


The HL7 CDA Book - by eminent expert Keith Boone provides clear and easy-to-use CDA implementation guidance with numerous examples.  The reader will learn not only how to implement the CDA standard, but also to understand its idioms and to "speak" the CDA language.

Introduction to HL7 V2.x Messaging (2nd Edition) - the most popular HL7 V2.x Messaging introductory Textbook.  Mike Henderson is widely recognized as a most experienced HL7 V2.x teacher and trainer.  He regularly teaches at the HL7 Education Summits in the US and co-authors the HL7 V2.x Analyst Certification exams.

HL7 V2.x Messaging Study Guide - the Study Guide to the above Textbook.  Both books are considered mandatory reading and study for candidates sitting the HL7 International V2.x Analyst Certification exam.

Verification Results for IT Standards: HL7 - a text focussing on the formal verification of standards in healthcare.

Download standards 

Principles of Health Interoperability HL7 and SNOMED - Healthcare depends on the two leading standards HL7 and SNOMED CT for functional and semantic interoperability.  Tim is one of the most experienced teachers of both HL7 V3 and SNOMED CT.

International Standards Online: ISO, ANSI, IEC, IEEE, CSA, BSI, DIN, etc. - easily and instantly download these popular eHealth Standards!

Managing Health Care Information Systems: A Practical Approach for Health Care Executives - the title says it all!

E-Health Care Information Systems: An Introduction for Students and Professionals - excellent

Browse more HL7 Books and Manuals HL7to learn the Secrets of Health Level 7.

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HL7 Technical Newsletter

Keep up-to-date with the "HL7 TechNews" Technical Newsletter on Health Level 7 technical and tooling developments!  It will give you regular updates on all technical HL7 matters around the globe, in particular new standards developments and tooling releases:
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The HL7 V2.x Messaging Standards

HL7 V2.3.1 Draft (Free download)

HL7 V2.6 First Ballot Review (August 2004 - Free Download)

HL7 V2.x XML Schemas/DTDs for V2.3.1, V2.4 and V2.5

HL7 V2.x Inter-Version Compatibility Guide

HL7 V2.x Education

What is HL7?

Standards Australia free Standards

There is a range of HL7 Implementation Training Courses that are held throughout Asia-Pacific.  These organisations also provide comprehensive HL7 education, including intensive HL7 V2.x Certification Training.

Didn't find what you were looking for?  Try the HL7 Search Engine:

HL7 Patient Administration Messaging

Australian Standard AS4846 "Health care provider identification" (Free download)

AS4700.1 V2.3.1 Australian HL7 Messaging Standard - Patient Administration

AS4700.1 V2.3 Australian HL7 Messaging Standard - Patient Administration

HL7 Pathology Messaging

Australian Standard AS4700.2 "HL7 Pathology Messaging" (Free download)
HB262 Australian HL7 Pathology Messaging Implementation Guide

Australian Laboratory Ordering Code Set

The SNOMED Code Set, College of American Pathologists, USA
Logical Observation Identifiers Names and Codes (LOINC), Regenstrief Institute, USA
ASTM Diagnostic Instrument Standards

HL7 Discharge/Referral Messaging

Australia Standard AS4700.6 "HL7 Discharge/Referral Messaging" (Free download)
Australian HL7 Discharge/Referral Message Implementers Specification (V0.41)

HL7 Medication/Prescription Messaging

AS4700.3 Australian HL7 Drug Prescription Messaging Standard - DRAFT

GPCG "Authority Notification System (ANS)" Project

HL7 Immunisation Messaging

AS4700.5 Australian HL7 Immunisation Messaging Standard
  Australian Immunisation Handbook

HL7 Adverse Drug Reaction Messaging

GPCG "ADRAC Electronic Reporting" Project
  ADRAC Phase II HL7 Message Implementer's Specification V2.4.2
ADRAC Phase II HL7 Message Implementer's Specification V2.4.3

HL7 Diabetes Messaging

Report: Development of HL7 Diabetes Message...
Australian HL7 Diabetes Message - Implementers' Specification

CPCG "Diabetes Messaging and HL7" Project

Diagnostic Imaging Messaging

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  Diagnostic Imaging Referral Project - Implementers' Specification
HL7 Radiology Orders & Results Standard AS4700.x - First Draft

Financial & eClaims Messaging

HL7 Financial Messages - V2.6 Chapter 6 (Free download)

HL7 eClaims Messages - V2.6 Chapter 16 (Free download)

HL7 Clinical Decision Support Systems

HL7 Arden Syntax Standard
HL7 Australia Electronic Clinical Decision Support Conference (August 2003)

HL7 CCOW Context Management Standard

HL7 CCOW Standard
HL7 in Australia CCOW Page

Other HL7 V2.x Resources

Australian Healthcare Messaging Laboratory  University of Ballarat, Australia
  IBM Consultancy Report  (Note copyright)


HL7 V2.x Database
 HL7 Consultants

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H7 News

Some Basic Information About the HLA-B27 Lab Test
Wednesday, 14th February 2018
The HLA-B27 blood test is one step in the process of diagnosing a potential autoimmune disorder.  Neither positive nor negative results to the test should be taken as confirmation of whether you have an autoimmune disorder or not.  Your doctor will talk to you about the next steps after you receive the results.

Understanding the Importance of the Renal Function Panel for Kidney Health and Balance of the Body
Friday, 9th February 2018
Kidneys play a major role in regulating the fluid balance by removing waste products and maintaining the levels of various substances in the body.  It is beneficial for you to know about the renal function panel which consists of different laboratory tests used either as a screening tool to evaluate the functioning of kidney or to diagnose different diseases and monitor the kidney function of patients receiving treatment.  This panel usually consists of nine different tests which may include tests for: glucose, albumin, phosphorus, calcium, creatinine, blood urea nitrogen and different electrolytes namely sodium, chloride and carbon dioxide.

Team Meetings
Tuesday, 6th February 2018
The improvement of quality of care by providers requires teamwork.  The American Medical Association has many articles on just this topic.  This article focuses on building high performing teams in the healthcare setting.  Of course, the ideas are easily applied to any service business.

Is Legal Marijuana Bigger Than The Internet of Things?
Monday, 5th February 2018
Estimates place the number of some time marijuana users in the neighborhood of 50 million people.  As many as 7.6 million indulge on a daily basis.  Out of the 83.3 million milllennials, fully 68%of them want cannabis to be legal and available.  Once legalization takes hold everywhere, dozens of already established firms - in the tobacco industry...  in agriculture and irrigation...  in pharmacueticals - are going to want to jump in without hesitation.  And if you want more proof that marijuana is going mainstream, consider this...

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