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NWAU calculators 2022–23

To assist in applying the National Efficient Price Determination 2022–23 price weights and adjustments, the Independent Hospital Pricing Authority has developed versions of the national weighted activity unit (NWAU) calculators described in the National Pricing Model Technical Specifications. Each iteration of the NWAU calculators includes a user guide, which outlines the introductory steps required to download and operate the calculators in Microsoft Excel.

Access SAS-based calculators for 2022–23 here.

Note: The SAS-based calculators for 2022–23 are hosted on an external file sharing website, Box.com. Some firewalls and virtual private servers may block access to this page. Please contact your organisation’s IT support for further information.

Public hospital managers seeking assistance with implementation are asked to contact their jurisdictional representative.

NWAU calculators are available for each service stream below.

Service stream

.xlsb format

Admitted acute services

Admitted acute

Admitted subacute and non-acute services (AN-SNAP Version 4.0)

Admitted subacute and non-acute (AN-SNAP Version 4.0)

Admitted mental health care services

Admitted mental health care

Emergency department services (AECC)

Emergency department (AECC)

Emergency department services (UDG)

Emergency department (UDG)

Non-admitted services

Non-admitted

Admitted subacute and non-acute services (AN-SNAP Version 5.0 shadow)

Admitted subacute and non-acute (AN-SNAP Version 5.0 shadow)

Community mental health care services (AMHCC shadow)

Community mental health care (AMHCC shadow)

Non-admitted services end-class ‘40.62 Multidisciplinary case conference - patient not present’ (Tier 2 Version 7.0 40.62 shadow)

Non-admitted services end-class ‘40.62 Multidisciplinary case conference - patient not present’ (Tier 2 Version 7.0 40.62 shadow)