This is the CodeSystem that contains codes in both CommunicationNotDoneReason (http://terminology.hl7.org/CodeSystem/communication-not-done-reason) and CommunicationNotDoneReason (http://terminology.hl7.org/CodeSystem/communication-not-done-reason).
This code system http://hl7.org/fhir/comparison/CodeSystem/2c77c26f-0eba-4543-89eb-09eda3cba01c-744 defines codes, but no codes are represented here
| Code | Display | Definition |
| unknown | Unknown | The communication was not done due to an unknown reason. |
| system-error | System Error | The communication was not done due to a system error. |
| invalid-phone-number | Invalid Phone Number | The communication was not done due to an invalid phone number. |
| recipient-unavailable | Recipient Unavailable | The communication was not done due to the recipient being unavailable. |
| family-objection | Family Objection | The communication was not done due to a family objection. |
| patient-objection | Patient Objection | The communication was not done due to a patient objection. |