description: An identifier that represents the EHR certication number (CERHT).  See [Certified EHR Technology](https://www.cms.gov/regulations-and-guidance/legislation/ehrincentiveprograms/certification.html) For more information.
package_name: hl7.fhir.us.davinci-deqm
derivation: constraint
name: CertificationIdentifier
type: Extension
elements:
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/extension-certificationIdentifier'}
    index: 0
  value:
    choices: [valueIdentifier]
    index: 2
  valueIdentifier: {type: Identifier, choiceOf: value, index: 3}
package_version: 1.0.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/extension-certificationIdentifier
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0