The ECCS determines the final DRG to which an episode of care is assigned within an ADRG.Īn ECCS is an output from the grouper software and is a value between 0 and 32 with decimals of. The episode clinical complexity scores quantify relative levels of resource utilisation within each ADRG and are used to split ADRGs into DRGs on the basis of resource homogeneity. The ECC model assigns diagnosis complexity level (DCL) weights and episode clinical complexity scores (ECCS). The new ECC model was introduced for determining clinical complexity. The Episode Clinical Complexity model was introduced in AR-DRG v8.0 and has continued to be refined in later AR-DRG classification systems. In AR-DRG v10.0 there are 23 MDCs and one Pre MDC. MDCs are assigned according to the principal diagnosis. The MDC is a category generally based on a single body system or aetiology that is associated with a particular health specialty. Z = no split for the ADRG (ie, no subgroups). 60 to 99 = to indicate the Medical Partition.ĭ – is a split indicator that ranks DRGs within an ADRG on the basis of their clinical complexity.01 to 59 = to indicate the Intervention Partition.The second and third characters (AA) identify the ADRG grouping and partition to which the ADRG belongs. DRGs within an ADRG have differing levels of complexity, and are partitioned on the basis of several factors, including diagnoses/procedures used as a severity split, sameday, and level of comorbid disease and/or clinical complication. An ADRG consists of one or more DRGs generally defined by the same diagnosis or intervention codes. M – indicates the broad group (the MDC) to which the DRG belongs.ĪA – identifies the adjacent DRG (ADRG) within the MDC and the partition to which the ADRG belongs. The format of each AR-DRG v10.0 consists of four alphanumeric characters organised in terms of ‘MAAD’, where: This compares with 771 DRGs in version 7.0 and 406 ADRGs. ICD-10-AM/ACHI Twelfth Edition was implemented 1 July 2023. Event records clinically coded in ICD-10-AM/ACHI Twelfth Edition will have their codes back-mapped to ICD-10-AM/ACHI Eleventh Edition which are then used to group into AR-DRG v10.0.ĪR-DRG v10.0 comprises 795 DRGs in 397 Adjacent DRGs (ADRGs). ICD-10-AM/ACHI Eleventh Edition was used from 1 July 2019 until 30 June 2023. The AR-DRG grouper processes up to 30 diagnoses and 30 procedures per event record reported to the NMDS.ĭata items that may be used for grouping include:įor information on AR-DRG including older versions contact us at spreadsheet listing AR-DRG v10.0 MDCs and DRGsįrom 1 July 2023 National Collections groups all National Minimum Dataset (NMDS) event records with an event end date on or after 1 July 2023 to AR-DRG v10.0.ĪR-DRG v10.0 accepts ICD-10-AM/ACHI Eleventh Edition codes. The grouper is a specially designed computer software that assigns episodes of care to diagnosis related groups (DRGs), according to each version of the AR-DRG classification system. The AR-DRG Definitions Manual Volumes 1, 2 and 3 are available for purchase from the printing provider Lane Print Australia using their online ordering service. The Australia Refined Diagnosis Related Groups (AR-DRG) is a classification system that groups together episodes of care according to diagnoses and treatment received in hospital. Information about Australia Refined Diagnosis Related Groups (AR-DRG) and the grouper versions used for the National Minimum Dataset (NMDS).
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