Altnagelvin has reassured patients that text alerts for x-rays are genuine, contrary to unfounded speculation on social media. A Trust spokesperson said: "Contrary to a recent post on facebook from a public representative in the Derry/Londonderry & Strabane Council area, the Trust wishes to assure patients that if you receive a text message which reads:'This is Altnagelvin X-Ray Department. We have been trying to contact you regarding an appointment. Please call 02877246983. Thanks'It is a genuine message from the Trust and it is important that you ring the number to confirm your appointment."