Leviticus 13:13, 17
Leviticus 13:13 ASV
then the priest shall look; and, behold, if the leprosy have covered all his flesh, he shall pronounce him clean that hath the plague: it is all turned white: he is clean.
Leviticus 13:17 ASV
and the priest shall look on him; and, behold, if the plague be turned into white, then the priest shall pronounce him clean that hath the plague: he is clean.