Interoperable Digital Identity and Patient Matching
2.0.0 - STU 2 United States of America flag

This page is part of the Interoperable Digital Identity and Patient Matching (v2.0.0: STU 2) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

CodeSystem: Identity Identifier Code System

Official URL: http://hl7.org/fhir/us/identity-matching/CodeSystem/Identity-Identifier-cs Version: 2.0.0
Standards status: Trial-use Maturity Level: 2 Computable Name: IdentityIdentifierCodeSystem

Defining codes for describing specialized identifiers to be used in Patient resource for $idi-match.

This Code system is referenced in the content logical definition of the following value sets:

This case-insensitive code system http://hl7.org/fhir/us/identity-matching/CodeSystem/Identity-Identifier-cs defines the following codes:

CodeDisplayDefinition
STID State Level Identifier Represents any appropriate identifier corresponding to a state- or territory-issued photo ID that is not a Driver's License. This code will likely be migrated to THO at some point in the future.
SSN4 SSN Last 4 Represents the last four digits of US Social Security Number. This code may be migrated to THO at some point in the future.