This value set has an inline code system http://hl7.org/fhir/contact-point-system, which defines the following codes:
| Code | Display | Definition |
| phone | Phone | The value is a telephone number used for voice calls. Use of full international numbers starting with + is recommended to enable automatic dialing support but not required. |
| fax | Fax | The value is a fax machine. Use of full international numbers starting with + is recommended to enable automatic dialing support but not required. |
| email | Email | The value is an email address. |
| pager | Pager | The value is a pager number. These may be local pager numbers that are only usable on a particular pager system. |
| other | URL | A contact that is not a phone, fax, or email address. The format of the value SHOULD be a URL. This is intended for various personal contacts including blogs, Twitter, Facebook, etc. Do not use for email addresses. If this is not a URL, then it will require human interpretation. |