To book your appointment call 0345 90 90 999 (Mon to Fri 9am – 5pm), use our online donor account, or email nss.snbtsenquiry@nhs.scot. Appointments are available up to eight weeks in advance of the session. Online booking closes 14hrs before session begins. Appointments made by phone/email must be booked by 5pm the day before the session. Our key priority is to ensure that NHS Scotland has enough blood to meet the transfusion needs of patients in Scotland.