---
title: "PKB Person Legacy Identifier"
canonical: "https://wiki.patientsknowbest.com/space/api/3822092289/PKB%20Person%20Legacy%20Identifier"
format: markdown
---
[http://fhir.patientsknowbest.com/id/pkbperson-legacy-identifier](http://fhir.patientsknowbest.com/id/pkbperson-legacy-identifier) 

[https://www.hl7.org/fhir/R4/namingsystem.html](https://www.hl7.org/fhir/R4/namingsystem.html) 

## kind

identifier

## description

An extension to represent [[[User.Legacy User ID]]](https://pkbdev.atlassian.net/wiki/spaces/api/pages/3752722465/Entity+Organisation).

## uniqueId

- uniqueId[0]
  - type = uri
  - value = “http://fhir.patientsknowbest.com/id/pkbperson-legacy-identifier”
  - preferred = true