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Ministry of Health - HISO

Proposed changes to the National Health Index (NHI) system and HISO 10046, the Consumer Health Identity Standard .

This is a major review of the NHI system proposing changes in the flowing areas (each provided as an individual document).

  • NHI Numbering extension
  • Biological Sex recorded at Birth
  • Gender Identity
  • Sexual Orientation
  • Ethnicity
  • Country Code
  • Language Code
  • Iwi Classification
  • Disability status
  • Residency status
  • Opt Out status indicator
  • Delegation rights - general
  • Delegation rights – Advance Care Planning
  • Cook Islands, Niue and Tokelau cross reference
  • Height and Weight
  • MedicAlert cross reference.

Find the documents online here:

The current version of the NHI Standard (HISO 10046:2017 - the Consumer Health Identity Standard) can be found here:

Send feedback to by 18th August 2018.