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Funding & Financial Policy Branch < Victoria's Move to ICD-10-AM ClassificationOn 1 July 1998 Victorian Hospitals will be required to report their admitted patient activity information to the Department of Human Services using the ICD-10-AM classification. ICD-10-AM has been modified for Australian use from the World Health Organization's ICD-10 classification and the Australian Commonwealth Medicare Benefits Schedule. This provides a comprehensive and current coding system for diagnoses and procedures for admitted patients. The classification is the most up to date and precise standard available for coding health data and is the result of intensive consultation with Australian Health Information Managers and Clinicians. This project was managed by the National Centre for Classification in Health.Victoria will implement ICD-10-AM on 1 July 1998 in accordance with classification development schedule which was published in 1995. Use of ICD-10-AM will facilitate the capture of data of the highest available level of precision and completeness. Relationship to ICD-9_CM Continuity of data for comparison purposes and time series will be enabled by use of Mapping Tables which have been developed in conjunction with the new classification. These mapping tables are available from web site www.health.gov.au/casemix/products.htm The mapping tables will enable data coded in ICD-10-AM to be grouped
to various versions of the AN-DRG casemix classification for analysis
and modeling of casemix funding budgets. A GUI interface to the AN-DRG
version 3.1 and the new AR-DRG version 4 grouper is also available from
In 1998-99 hospitals are coding using ICD-10, but the Department of Human Services is basing casemix funding on ANDRG3.1, which needs codes in ICD-9-CM. This means data must be mapped back from ICD-10 to ICD-9-CM. This process can result in inappropriate DRG allocation. The preliminary ICD-10 factors estimate the impact of mapping on individual DRGs based upon modelled ICD-10 data and the DHS mapping tables as of 24/09/98. To adjust WIES6 values for mapping issues you multiply the actual WIES by the DRG's adjustment factor. ICD - 10 Adjustment Factors (tab delimited text 8k, right click to download) Current Cost Weights-Inpatients The following link points to the spreadsheet "1998-99 Cost Weights and Related Parameters" The document is too large to be properly viewed on your screen. However, by clicking on the link below you can download the file to your own computer in Microsoft Excel for Windows version 5 format. The file is approximately 199 Kb in size. Download the document "1998-99 Cost Weights and Related Parameters"
 Updated 1 December 2001 |