He went missing from Craigavon Area Hospital before staff were able to get any details from him.
The male is 5’7″ in height, Slim build, shaved dark hair with bruising to his face.
When he was last seen he was wearing hospital issue blue trousers and short sleeved top.
“If you see someone matching this description please report it immediately to police on the 101 number. As we do not know the identity of this male as a precaution please do not approach him,” say the PSNI.