HL7 Version 2 to FHIR
1.0.0 - STU 1

HL7 Version 2 to FHIR - Downloaded Version 1.0.0 See the Directory of published versions

## ConceptMap: Datatype CX [Mother] to RelatedPerson Map (Experimental)

Official URL: http://hl7.org/fhir/uv/v2mappings/ConceptMap/datatype-cx-mother-to-relatedperson | Version: 1.0.0
Standards status: Informative | Computable Name: DatatypeCXMotherToRelatedPerson
Copyright/Legal: Copyright (c) 2025, HL7 International, Inc., All Rights Reserved.

This ConceptMap represents a mapping from the HL7 V2 Datatype CX to the FHIR RelatedPerson Resource.

This ConceptMap represents the mapping from the HL7 V2 CX Data Type to the FHIR RelatedPerson Resource. See also the FHIR Shorthand or the CSV Source.

HL7 v2 | Condition (IF True, args) | HL7 FHIR | Comments
--- | --- | --- | ---
Sort Order | Identifier | Name | Data Type | Cardinality - Min | Cardinality - Max | Computable ANTLR | Computable FHIRPath | Narrative | FHIR Attribute | Proposed Extension | Data Type | Cardinality - Min | Cardinality - Max | Data Type Mapping | Vocabulary Mapping (IS, ID, CE, CEN, CWE) | Assignment
0 |  |  |  |  |  |  |  |  | RelatedPerson.patient(RelatedPerson.Patient.identifier) |  |  |  |  |  |  | /one of the PID-3 or other available identifiers that uniquely links to the patient who's mother is represented in this RelatedPerson instance./ |
0 |  |  |  |  |  |  |  |  | RelatedPerson.relationship.coding.code |  |  |  |  |  |  | /a relationship type that represents "mother" should be populated with "MTH" as default if no further context is known, or either of "AOPTM", "GESTM", "NMTH", "NMTHF", "STPMTH" if the context is known. |
0 |  |  |  |  |  |  |  |  | RelatedPerson.relationship.coding.system |  |  |  |  |  |  | "https://hl7.org/fhir/R4/v3/RoleCode/cs.html#v3-RoleCode-_PersonalRelationshipRoleType" |
1 | CX.1 | ID Number | ST | 1 | 1 |  |  |  | RelatedPerson.identifier.value |  | string | 0 | 1 |  |  |  |
2 | CX.2 | Identifier Check Digit | ST | 0 | 1 |  |  |  | RelatedPerson.identifier.extension.url |  | uri | 0 | 1 |  |  | "http://hl7.org/fhir/StructureDefinition/identifier-checkDigit" |
2 | CX.2 | Identifier Check Digit | ST | 0 | 1 |  |  |  | RelatedPerson.identifier.extension.valueString |  | string | 1 | 1 |  |  |  |
3 | CX.3 | Check Digit Scheme | ID | 0 | 1 |  |  |  | RelatedPerson.identifier.extension.url |  | uri | 0 | 1 |  |  | "http://hl7.org/fhir/StructureDefinition/namingsystem-checkDigit" |
3 | CX.3 | Check Digit Scheme | ID | 0 | 1 |  |  |  | RelatedPerson.identifier.extension.valueString |  | string | 1 | 1 |  |  |  |
4 | CX.4 | Assigning Authority | HD | 0 | 1 |  |  | If not in http://hl7.org/implement/standards/fhir/identifier-registry.html then determine whether organization or system | RelatedPerson.identifier.assigner(RelatedPerson.Organization) |  | Reference(RelatedPerson.Organization) | 0 | 1 | HD[Organization] |  |  |
4 | CX.4 | Assigning Authority | HD | 0 | 1 | IF CX.4 IN http://hl7.org/implement/standards/fhir/identifier-registry.html |  |  | RelatedPerson.identifier.system |  | uri | 0 | 1 | HD[uri] |  |  | Typically the assigning authority reflects an organization, but if it is an actual system (EHR 1 vs. EHR 2, both supporting the same organization where one cannot get more specific), then CX.4 should be mapped to .system
5 | CX.5 | Identifier Type Code | ID | 1 | 1 |  |  |  | RelatedPerson.identifier.type.coding.code |  | code | 0 | 1 |  | IdentifierType |  |
6 | CX.6 | Assigning Facility | HD | 0 | 1 |  |  |  |  | extension??-assigningFacility | Reference(RelatedPerson.Organization) | 0 | 1 | HD[Organization] |  |  |
7 | CX.7 | Effective Date | DT | 0 | 1 |  |  |  | RelatedPerson.identifier.period.start |  | dateTime | 0 | 1 |  |  |  |
8 | CX.8 | Expiration Date | DT | 0 | 1 |  |  |  | RelatedPerson.identifier.period.end |  | dateTime | 0 | 1 |  |  |  |
9 | CX.9 | Assigning Jurisdiction | CWE | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
10 | CX.10 | Assigning Agency or Department | CWE | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
11 | CX.11 | Security Check | ST | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
12 | CX.12 | Security Check Scheme | ID | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |

Mapping from (not specified) to (not specified)

Group 1 Mapping from `unspecified code system` to `unspecified code system`

Source Concept Details | Relationship | Target Concept Details | Comment
Codes from | NarrativeCondition | ComputableANTLR |  | Codes from |
CX.1 | ID Number |  |  | is equivalent to | identifier.value | identifier.value |
CX.2 | Identifier Check Digit |  |  | is equivalent to | identifier.extension[1].url | identifier.extension[1].url |
CX.2 | Identifier Check Digit |  |  | is equivalent to | identifier.extension[1].valueString | identifier.extension[1].valueString |
CX.3 | Check Digit Scheme |  |  | is equivalent to | identifier.extension[2].url | identifier.extension[2].url |
CX.3 | Check Digit Scheme |  |  | is equivalent to | identifier.extension[2].valueString | identifier.extension[2].valueString |
CX.4 | Assigning Authority | If not in http://hl7.org/implement/standards/fhir/identifier-registry.html then determine whether organization or system |  | is equivalent to | identifier.assigner(Organization) | identifier.assigner(Organization) |
CX.4 | Assigning Authority |  | IF CX.4 IN http://hl7.org/implement/standards/fhir/identifier-registry.html | is equivalent to | identifier.system | identifier.system | Typically the assigning authority reflects an organization, but if it is an actual system (EHR 1 vs. EHR 2, both supporting the same organization where one cannot get more specific), then CX.4 should be mapped to .system
CX.5 | Identifier Type Code |  |  | is equivalent to | identifier.type.coding.code | identifier.type.coding.code |
CX.7 | Effective Date |  |  | is equivalent to | identifier.period.start | identifier.period.start |
CX.8 | Expiration Date |  |  | is equivalent to | identifier.period.end | identifier.period.end |

### Notes: