Leviticus 13:31
If, when the priest looketh on the breaking out, he see that it is no lower than the other skin and that there are black hairs therein, let him shut him up seven days.
Treasury of Scripture Knowledge
Summary
And if the priest look on the plague of the scall, and, behold, it be not in sight deeper than the skin, and that there is no black hair in it; then the priest shall shut up him that hath the plague of the scall seven days:
Seven days
Bible References
Seven days
Leviticus 13:4
If there be but a white pleck in the skin of his flesh, and seem not to be lower than the other skin nor the hair thereof is turned unto white: then let the priest shut him up seven days.