ePath R4 Implementation Guide
1.0.0 - ci-build Japan

ePath R4 Implementation Guide - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Data Type Profile: EPath_Identifier_EPathIdentification - Mappings

Active as of 2025-06-24

Mappings for the epath-dentifier-epath-identification data type profile.

### Mappings for HL7 v2 Mapping (http://hl7.org/v2)

EPath_Identifier_EPathIdentification
Identifier | CX / EI (occasionally, more often EI maps to a resource id or a URL)
use | N/A
type | CX.5
system | CX.4 / EI-2-4
value | CX.1 / EI.1
period | CX.7 + CX.8
assigner | CX.4 / (CX.4,CX.9,CX.10)

### Mappings for RIM Mapping (http://hl7.org/v3)

EPath_Identifier_EPathIdentification
Identifier | n/a, II - The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs. Also maps to Role[classCode=IDENT]
id | n/a
use | Role.code or implied by context
type | Role.code or implied by context
system | II.root or Role.id.root
value | II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)
period | Role.effectiveTime or implied by context
assigner | II.assigningAuthorityName but note that this is an improper use by the definition of the field. Also Role.scoper

### Mappings for ServD (http://www.omg.org/spec/ServD/1.0/)

EPath_Identifier_EPathIdentification
Identifier | Identifier
system | ./IdentifierType
value | ./Value
period | ./StartDate and ./EndDate
assigner | ./IdentifierIssuingAuthority