> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ContactPoint

> Base StructureDefinition for ContactPoint Type: Details for all kinds of technology mediated contact points for a person or organization, including telephone, email, etc.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Unique id for inter-element referencing |
| extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| system | No | code | phone / fax / email / pager / url / sms / other |
| value | No | string | The actual contact point details |
| use | No | code | home / work / temp / old / mobile - purpose of this contact point |
| rank | No | positiveInt | Specify preferred order of use (1 = highest) |
| period | No | [Period](/medical-api/fhir/data-types/period) | Time period when the contact point was/is in use |


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