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Endorsement of ICD-10-AM and ICD-O
Published February 2006
The two Standards involved are:
ICD-10-AM
, published in the International Statistical Classification of Diseases and ICD-O Related Health Problems, 10th Revision, Australian Modification;
ICD-O
, part of the Internal Classification of Diseases for Oncology produced by the World Health Organisation.
These two standards currently underpin data classification in seven national collections.
Background
A National Cancer Information Work Programme was established in 2003 by the New Zealand Health Information Service (NZHIS) to improve the completeness, quality, accuracy and currency of data held on the New Zealand Cancer Registry and associated feeder sources such as the Mortality Collection.
As a component of this programme, the Ministry of Health requested the endorsement of ICD-10 AM and ICD-O as national coding standards, allowing for consistent coding of clinical and cancer data. ICD classifications are de facto standards that have been used by the health and disability sector for more than 30 years.
Current situation
These standards are an essential building block for any national data set coding clinical and cancer data in New Zealand. There are strong links to the
Health Information Strategy for New Zealand 2005
through Action Zone 7 - Management of Long Term Conditions and to a lesser extent through Action Zone 12 - Anchoring Framework.
Currently, public hospitals throughout New Zealand code their data using the International Classification of Diseases (ICD-10-AM). NZHIS codes data from other sources including private hospitals, GPs, coroners, etc.
The coding classifications being used are:
Clinical Coding: ICD-10-AM Volumes 1-5;
Cancer Registry: ICD-10-AM (site); ICD-O (type of cancer).
Benefits to stakeholders
While this endorsement involves a coding practice that is already taking place, it forms part of a more extensive programme of development that will see both internal and external stakeholders gaining benefits. The stakeholders include the Cancer Control Council, oncology and other health practitioners, researchers, the public, Corporate Information Directorate, Clinical Services Directorate and the Public Health Directorate.
The benefits of having standardised coding include:
Greater ease of data transfer between collections and practitioners talking the same “language”;
Enhanced ability of sector and health researchers to more quickly identify trends in cancer incidence, mortality and survival.
Impacts
No impacts are expected, as these standards are currently in widespread use.
Lifespan
The anticipated lifespan of these classifications is unknown. The World Health Organisation (WHO) produces new editions of ICD approximately every ten years and the National Centre for Classification in Health (NCCH) produces Australian Modified (AM) version every two years. The next edition, ICD-11, is currently in development.
Ongoing maintenance
The ongoing maintenance of these classifications is performed by WHO and NCCH and monitored by the Ministry of Health.
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