Leviticus 13:21 in the King James Version
But if the priest look on it, and, behold, there be no white hairs therein, and if it be not lower than the skin, but be somewhat dark; then the priest shall shut him up seven days:
Context
20 The priest shall examine it. Behold, if its appearance is deeper than the skin, and its hair has turned white, then the priest shall pronounce him unclean. It is the plague of leprosy. It has broken out in the boil.
21 But if the priest examines it, and behold, there are no white hairs in it, and it isn’t deeper than the skin, but is dim, then the priest shall isolate him seven days.
22 If it spreads in the skin, then the priest shall pronounce him unclean. It is a plague.