> ## 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.

# Patient Telecom

> Schema documentation for the Patient Telecom table in the Metriport data model

The patient telecom table contains normalized contact information for patients. This table supports multiple telecom entries per patient, including phone numbers and email addresses.

**Primary Keys:**

* patient\_id
* telecom\_rank

**Foreign Keys:**

* patient\_id - links to the [patient](/medical-api/handling-data/schema-v000/patient) table

| Column            | Data Type | Description                                                                                                                                                                                                                                                                                                                               |
| ----------------- | --------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| patient\_id       | varchar   | Unique identifier for the patient                                                                                                                                                                                                                                                                                                         |
| system            | varchar   | The type of contact method. Possible values:<br />– <code>phone</code>: A phone number<br />– <code>email</code>: An email address<br />– <code>fax</code>: A fax number<br />– <code>pager</code>: A pager number<br />– <code>url</code>: A URL<br />– <code>sms</code>: An SMS contact<br />– <code>other</code>: Other contact method |
| value             | varchar   | The phone number, email address, etc.                                                                                                                                                                                                                                                                                                     |
| data\_source\_ext | varchar   | Integration source of the data, derived from FHIR extension                                                                                                                                                                                                                                                                               |
| telecom\_rank     | integer   | Patient FHIR resource array order                                                                                                                                                                                                                                                                                                         |