Leviticus 13:4
If, however, the spot on his skin is white and does not appear to be deeper than the skin, and the hair in it has not turned white, the priest shall quarantine the infected person for seven days.

Leviticus 13:10
The priest will examine him, and if there is a white swelling on the skin that has turned the hair white, and there is raw flesh in the swelling,

Leviticus 13:12
But if the skin disease breaks out all over his skin so that it covers all the skin of the infected person from head to foot, as far as the priest can see,