Ethnicity Level 2 codes from [Ministry of Health](https://www.health.govt.nz/nz-health-statistics/data-references/code-tables/common-code-tables/ethnicity-code-tables)
MentalHealthReviewStatus codes ex. WebPAS in NZ Central Region. - denoting if the patient's mental health status review has been completed, if not the reason why.
NZ ContactRelationship Codes ex. WebPAS in NZ Central Region
This codeset is to be used alongside the HL7 defined general relationship codeset http://terminology.hl7.org/CodeSystem/v2-0131