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.
MS02004 Cystoscopies – 5.2.31 MS02005 Gastroscopy – 5.2.34 MS02006 ERCP – 5.2.34 MS02007 Colonoscopy – 5.2.34 MS02009 Same Day Pharmacotherapy for Cancer (Any Specialty) – 5.2.26 MS02014 Colonoscopy/Gastroscopy – 5.2.34 MS02016 Skin Lesion Removal – 5.2.39 MS02023 Non-Weight Bearing Convalescence Programme – 5.2.6 NCSP-10 Colposcopies – 5.2.30 NCSP-20 Colposcopies – 5.2.30 S30006 Surgical Terminations of Pregnancy 1st Trimester – 5.2.22 S30009 Surgical Terminations of Pregnancy 2nd Trimester – 5.2.21 S30010 Medical Termination of Pregnancy – 5.2.23 S30012 Hysteroscopy – 5.2.32 S40007 Intraocular Injections – 5.2.38 S50001 Spinal Services (Acute) – 5.2.20 S50002 Spinal Services (Non-acute) – 5.2.20 S70006 Lithotripsy – 5.2.29 T0103 Transplants (Heart) – 5.2.19 T0106 Transplants (Lung) – 5.2.19 T0111 Transplants (Liver – Adults) – 5.2.19 T0113 Transplants (Liver – Children) – 5.2.19 W03005 Amniocentesis – 5.2.12 W03006 Chorionic Villus Sampling – 5.2.13 W03007 Rhesus Isoimmunisation and Other Isoimmunisation – 5.2.14 W03010 Lactation Disorders Associated with Childbirth – 5.2.15 W03012 Postnatal Early Intervention – 5.2.10 W02020 Primary Maternity – 5.2.17 Other Purchase Units (PUs) identified in this document are: PU Description W06.03 Neonatal Inpatient Casemix (W06003 PUDD) – 5.2.11 W10.01 Maternity Casemix (W10001 PUDD) – 5.2.16
RVU Relative Value Unit SD Same Day SFLP Selective Fetoscopic Laser Photocoagulation ToP Termination of Pregnancy W With WIES Weighted Inlier Equivalent Separation WN Waiting List – admitted from DHB booking system W/O Without XPU Excluded Purchase Unit