This page is part of the electronic Case Reporting (eCR) (v2.1.2: 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: US Public Health Usage Context
  
  
  
  
     This case-sensitive code system http://hl7.org/fhir/us/ecr/CodeSystem/us-ph-usage-context defines the following codes:
| Code | Display | Definition | 
| emergent | Emergent | The artifact is an emergent reporting specification program release. | 
| program | Program | The artifact is a reporting specification program. | 
| routine | Routine | The artifact is a routine reporting specification program release. | 
| supplemental | Supplemental | The artifact is applicable only when determining whether an event is suspected reportable. | 
| triggering | Triggering | The artifact is applicable when identifying a triggering event. | 
| value-set-library | ValueSet Library | The artifact is a ValueSet Library. |