ICD-10-AM/ACHI/ACS Twelfth Edition education

The ICD-10-AM/ACHI/ACS classification system is used for classifying admitted patient care and comprises the following:

  • International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification (ICD-10-AM) 
  • Australian Classification of Health Interventions (ACHI)
  • Australian Coding Standards (ACS).

There are 18 interactive online modules that cover the key changes for ICD-10-AM/ACHI/ACS Twelfth Edition and an introductory module to guide users on how to engage with the content.

The 18 interactive online modules are shown in <figure_description> Image transcript below.

The 18 interactive online modules available on ICD-10-AM Twelfth Edition include:

  • Introduction
  • Mental and behavioural disorders
  • Musculoskeletal system
  • Fundamental principles and conventions
  • Nervous system
  • Spinal interventions
  • Clinical documentation and general abstraction guidelines
  • Eye, nose, mouth and throat
  • Pregnancy childbirth and the puerperium, and paediatrics
  • ACS 0002 Additional diagnoses
  • Circulatory system
  • Socioeconomic and psychosocial circumstances
  • Coronavirus disease 2019
  • Respiratory system
  • Other ICD-10-AM
  • Sepsis, infectious diseases and resistance to antimicrobial drugs
  • Digestive system
  • Other ACHI
  • Neoplasm, morphology and related interventions.

Each module will take between 10 and 30 minutes to complete and are compatible with multiple browsers. While it is useful to have already purchased the classification books for Twelfth Edition, the module content may be completed without access to the classification. 

Modules are self-paced and include knowledge checks and end-of-module quizzes. 

Users will need to create an account to access the modules and to generate a certificate of completion. 

To begin, use the following steps:

Please note: Upon registering on the IHACPA Learn website you may be prompted to review the settings of your browser to ensure an optimal experience. Please seek advice from your system administrator if your settings are not compliant with the requirements.


ICD-10-AM/ACHI/ACS Twelfth Edition Education is an education stream hosted on the IHACPA Learn  platform. 

New users to IHACPA Learn must register their details, and then are able to track their progress of learning. Please note that the login details for IHACPA Learn are not the same as the details for the Australian Classification Exchange (ACE) website. 

A list of commonly asked questions is available from the Help menu  on IHACPA Learn.

Education fact sheets

To support the implementation of ICD-10-AM/ACHI/ACS Twelfth Edition, a number of fact sheets have been developed to assist in the understanding of key updates. 

Key links

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