Leviticus 13:12 in the King James Version
And if a leprosy break out abroad in the skin, and the leprosy cover all the skin of him that hath the plague from his head even to his foot, wheresoever the priest looketh;
Context
11 it is a chronic leprosy in the skin of his body, and the priest shall pronounce him unclean. He shall not isolate him, for he is already unclean.
12 “If the leprosy breaks out all over the skin, and the leprosy covers all the skin of the infected person from his head even to his feet, as far as it appears to the priest,
13 then the priest shall examine him. Behold, if the leprosy has covered all his flesh, he shall pronounce him clean of the plague. It has all turned white: he is clean.