This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). The current version which supercedes this version is 5.0.0.  For a full list of available versions, see the Directory of published versions  . Page versions: R5 R4B R4 R3
. Page versions: R5 R4B R4 R3
| FHIR Infrastructure Work Group | Maturity Level: N/A | Ballot Status: Informative | 
| Extensions: | |
| identifier-validDate | validDate : Indicates a date on which this identifier value was deemed to apply to this instance. |