Welcome to the NHS Online Blood Ordering System

Welcome to OBOS TRAINING Site - 26/10/2026: The training site may be unavailable for short periods of time through out the day during the w/c 26/10/2026 due to internal maintenance/update. We are sorry for any inconvenience this may cause. If you have any concerns or need additional information please contact OBOS@nhsbt.nhs.uk and we will be in touch.

Hospital and Science Website
Forgotten password?
Log in

For support please contact your administrator

10.3.0

Concurrent Sessions Found

OK

Announcement Acknowledgement

OK