Levítico 13:31

31 But if, when the priest examines the sore, it does not seem to be more than skin deep and there is no black hair in it, then the priest is to isolate the affected person for seven days.

31 And if the priest look on the plague of the scall, and, behold, the appearance thereof be not deeper than the skin, and there be no black hair in it, then the priest shall shut up [him that hath] the plague of the scall seven days: