> For the complete documentation index, see [llms.txt](https://icure.gitbook.io/icure/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://icure.gitbook.io/icure/icure-data-stack/icure-data-model/patient/patienthealthcareparty/referralperiod.md).

# Referral period

Time periods

## Properties

| Property    | Type                                                                                                                                                | Description                                                                                                        |
| ----------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ |
| `startDate` | [Date](https://github.com/icure-io/icure-tech-docs/blob/master/icure-data-stack/icure-data-model/patient/patienthealthcareparty/Date/README.md)     | The date (unix epoch in ms) when the referral period initiated, will be filled instantaneously. format: date-time. |
| `endDate`   | [Date](https://github.com/icure-io/icure-tech-docs/blob/master/icure-data-stack/icure-data-model/patient/patienthealthcareparty/Date/README.md)     | The date (unix epoch in ms) the referral period ended, will be instantaneously filled. format: date-time.          |
| `comment`   | [String](https://github.com/icure-io/icure-tech-docs/blob/master/icure-data-stack/icure-data-model/patient/patienthealthcareparty/String/README.md) | Comments made during the referral.                                                                                 |