NHS bodies must be open and transparent about adverse outcomes which unexpectedly occur, and must offer an apology and work with the patient to investigate the problem.
Rhaid i fyrddau iechyd fod yn agored a thryloyw am gamgymeriadau a wnaed, a rhaid iddynt gynnig ymddiheuriad a gweithio gyda’r claf i ymchwilio i’r broblem.