Leviticus 13:17-19

American Standard Version

¹⁷ 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.

¹⁸ And when the flesh hath in the skin thereof a boil, and it is healed, ¹⁹ and in the place of the boil there is a white rising, or a bright spot, reddish-white, then it shall be showed to the priest;