Leviticus 13:31
When the priest examines the scaly infection, if it does not appear to be deeper than the skin, and there is no black hair in it, the priest must quarantine the person with the scaly infection for 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
But if the spot on the skin of his body is white and does not appear to be deeper than the skin, and the hair in it has not turned white, the priest must quarantine the infected person for seven days.