# National health sector identifier - HL7 Czech Base and Core FHIR IG v0.3.0

* [**Table of Contents**](toc.md)
* [**Summary artifacts**](artifacts.md)
* **National health sector identifier**

## Data Type Profile: National health sector identifier 

| | | |
| :--- | :--- | :--- |
| *Official URL*:https://hl7.cz/fhir/core/StructureDefinition/cz-rid-identifier | *Version*:0.3.0 | |
| * Standards status: *[Trial-use](http://hl7.org/fhir/R4/versions.html#std-process) | [Maturity Level](http://hl7.org/fhir/versions.html#maturity): 2 | *Computable Name*:CZ_RID_Identifier |

 
This structure contains the Czech identifier of a person (personal identification number) in healthcare sector 

 
This unique identifier is assigned by the Patient Master Register (KRP) to a given patient. The number is randomly assigned and may not be reused. 

**Usages:**

* Use this DataType Profile: [Patient (CZ base)](StructureDefinition-cz-patient-base.md) and [Related Person (CZ base)](StructureDefinition-cz-relatedPerson-base.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/hl7.fhir.cz.core|current/StructureDefinition/cz-rid-identifier)

### Formal Views of Profile Content

 [Description of Profiles, Differentials, Snapshots and how the different presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-cz-rid-identifier.csv), [Excel](StructureDefinition-cz-rid-identifier.xlsx), [Schematron](StructureDefinition-cz-rid-identifier.sch) 



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "cz-rid-identifier",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  }],
  "url" : "https://hl7.cz/fhir/core/StructureDefinition/cz-rid-identifier",
  "version" : "0.3.0",
  "name" : "CZ_RID_Identifier",
  "title" : "National health sector identifier",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-03-06T09:02:49+01:00",
  "publisher" : "HL7 Czech Republic",
  "contact" : [{
    "name" : "HL7 Czech Republic",
    "telecom" : [{
      "system" : "url",
      "value" : "https://www.hl7.cz/"
    }]
  }],
  "description" : "This structure contains the Czech identifier of a person (personal identification number) in healthcare sector",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "CZ",
      "display" : "Czechia"
    }]
  }],
  "purpose" : "This unique identifier is assigned by the Patient Master Register (KRP) to a given patient. The number is randomly assigned and may not be reused.",
  "fhirVersion" : "4.0.1",
  "mapping" : [{
    "identity" : "v2",
    "uri" : "http://hl7.org/v2",
    "name" : "HL7 v2 Mapping"
  },
  {
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  },
  {
    "identity" : "servd",
    "uri" : "http://www.omg.org/spec/ServD/1.0/",
    "name" : "ServD"
  }],
  "kind" : "complex-type",
  "abstract" : false,
  "type" : "Identifier",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Identifier",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "id" : "Identifier",
      "path" : "Identifier",
      "short" : "Czech national health sector identifier",
      "definition" : "Czech national health sector identifier is a unique identifier that assigns the Patient Master Register (KRP) to a given patient.",
      "comment" : "Its format is a meaningless ten-digit number that cannot start with a zero. It is divisible by thirteen and not divisible by eleven."
    },
    {
      "id" : "Identifier.use",
      "path" : "Identifier.use",
      "fixedCode" : "official"
    },
    {
      "id" : "Identifier.system",
      "path" : "Identifier.system",
      "min" : 1,
      "fixedUri" : "https://ncez.mzcr.cz/fhir/sid/rid"
    },
    {
      "id" : "Identifier.value",
      "path" : "Identifier.value",
      "min" : 1,
      "maxLength" : 10,
      "constraint" : [{
        "key" : "rid-rule",
        "requirements" : "Czech national personal ID rules.",
        "severity" : "error",
        "human" : "Czech national personal ID rule",
        "expression" : "$this.toString().matches('(D\\\\d{9}|[1-9]\\\\d{9})')",
        "source" : "https://hl7.cz/fhir/core/StructureDefinition/cz-rid-identifier"
      }]
    },
    {
      "id" : "Identifier.assigner",
      "path" : "Identifier.assigner",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["https://hl7.cz/fhir/core/StructureDefinition/cz-organization-core"]
      }]
    }]
  }
}

```
