Patchell, 23, has two Wales caps, both earned on the 2013 summer tour to Japan.
Giles, 18, is currently part of Wales’ U20 Championship squad competing in Manchester. He scored two tries in his side’s opening Championship game and will link up with the National Squad immediately.
Further injury updates will be made available in due course.
Giles and Patchell called to NZ
Wales have called Rhys Patchell and Keelan Giles to New Zealand as injury cover.
