---
title: Registration
description: Registration is the first event in the blood unit's cold chain. It is the date, time, and scanned information of the blood unit's label. This event is automatically created when a blood unit is registered for the first time.
---

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April 8, 2026

# Registration

## Registration is the first event in the blood unit's cold chain. It is the date, time, and scanned information of the blood unit's label.

##### Initial Registration

The first time BloodCOMM detects a unique blood unit, it will automatically prompt to create a registration event. This event will include the date and time of registration, the blood unit's label information, and the user who registered it.

If you know this is the first time a blood unit will be scanned by BloodCOMM, it is recommended to use the full Scanner window to scan all labels, instead of the auto scanner. Click on the blood drop button in the bottom right corner to open the full scanner window.

If a new blood unit is missing required information, the app will prompt you to re-scan missing information prior to registration. 

*It is possible to register a blood unit with missing information, but it is not recommended.*

For a brand new blood unit, the steps are as follows:

1. Scan the blood unit label.
2. Confirm the scanned information and click "Continue".
3. Link the blood unit to your Organization.
4. Register the blood unit.

You will then be redirected to submit your first event, which should normally be a "Check In" event, **unless your organizational policy is to inspect blood bags on initial registration.**

##### Existing Blood Units

If a blood unit has already been registered (by another Organization), the blood unit will only need to be Linked to your Organization.

After Linking, the existing cold chain will be visible, and and your organization will be able to add new events to the cold chain.

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