ICD Editions and WIES Versions Implementation Coding System DRG List Cost Weights Year 1998/99 ICD-9-CMA-II AN-DRG 3.1 WIES 5, with no adjustment Australian 2nd from the Victorian set. clinical modification to ICD-9 1999/00 ICD-10-AM/MBS-E AN-DRG 3.1 As for 1998/99 1st Edition Coding back-mapped to ICD-9-CMA and grouped to this DRG set. 2000/01 ICD-10-AM/MBS-E AN-DRG 3.1 WIES 5a, adapted to 1st Edition Coding back-mapped to include NZ costs for blood ICD-9-CMA and and pre-admission clinics. grouped to this DRG set. 2001/02 ICD-10-AM/MBS-E AR-DRG 4.1 WIES 8a, with NZ LOS 2nd Edition profile and NZ costs as for 2000/01. Where NZ ALOS was significantly different from Victorian ALOS, an adjustment to nursing/ward costs was made. 2002/03 ICD-10-AM/MBS-E AR-DRG 4.2 WIES 8b 2nd Edition 2003/04 ICD-10-AM/MBS-E AR-DRG 4.2 WIES 8c 2nd Edition 2004/05 ICD-10-AM/ACHI AR-DRG 4.2, coding WIES 8c as for 2003/04 3rd Edition back-mapped to ICD 10-AM 2nd Edition. 2005/06 ICD-10-AM/ACHI AR-DRG 5.0 WIES 11, with NZ LOS 2006/07 3rd Edition profile, NZ costs for blood 2007/08 and pre-admission clinics, also for some costs where jurisdictional differences were identified mainly – pharmaceutical costs and stent/implant/prostheses utilisation. Other costs from Victorian data were those associated to the NZ morbidity profile. Implementation Coding System DRG List Cost Weights Year 2008/09 ICD-10-AM/ACHI AR-DRG 5.0, as WIESNZ08, which uses 6th Edition modified for use in New WIES model for Victoria’s Zealand, coding the weight development, but to only New Zealand data 3rd Edition. elements, in particular cost data.
ICD Editions and WIES Versions Implementation Year Coding System DRG List Cost Weights 1998/99 ICD-9-CMA-II Australian 2nd clinical modification to ICD-9 AN-DRG 3.1 WIES 5, with no adjustment from the Victorian set. 1999/00 ICD-10-AM/MBS-E 1st Edition AN-DRG 3.1 Coding back-mapped to ICD-9-CMA and grouped to this DRG set. As for 1998/99 2000/01 ICD-10-AM/MBS-E 1st Edition AN-DRG 3.1 Coding back-mapped to ICD-9-CMA and grouped to this DRG set. WIES 5a, adapted to include NZ costs for blood and pre-admission clinics. 2001/02 ICD-10-AM/MBS-E 2nd Edition AR-DRG 4.1 WIES 8a, with NZ LOS profile and NZ costs as for 2000/01. Where NZ ALOS was significantly different from Victorian ALOS, an adjustment to nursing/ward costs was made. 2002/03 ICD-10-AM/MBS-E 2nd Edition AR-DRG 4.2 WIES 8b 2003/04 ICD-10-AM/MBS-E 2nd Edition AR-DRG 4.2 WIES 8c 2004/05 ICD-10-AM/ACHI 3rd Edition AR-DRG 4.2, coding back-mapped to ICD 10-AM 2nd Edition. WIES 8c as for 2003/04 2005/06 2006/07 2007/08 ICD-10-AM/ACHI 3rd Edition AR-DRG 5.0 WIES 11, with NZ LOS profile, NZ costs for blood and pre-admission clinics, also for some costs where jurisdictional differences were identified – mainly pharmaceutical costs and stent/implant/prostheses utilisation. Other costs from Victorian data were those associated to the NZ morbidity profile. Implementation Year Coding System DRG List Cost Weights 2008/09 ICD-10-AM/ACHI 6th Edition AR-DRG 5.0, as modified for use in New Zealand, coding to 3rd Edition. WIESNZ08, which uses Victoria’s WIES model for the weight development, but only New Zealand data elements, in particular cost data.
wiesnz_v1.1_december_2016_tracked_changes.docx