Leviticus 13:25

then the priest shall look upon it; and if the hair in the bright spot is turned white and it looks deeper than the skin, it is a leprosy broken out of the burn; and the priest shall pronounce him unclean; it is the plague of leprosy.

Leviticus 13:4

If the bright spot is white in the skin of his flesh and looks to be not deeper than the skin and the hair thereof is not turned white; then the priest shall shut up the one that has the plague seven days;

Leviticus 13:18-20

And when in the flesh, in the skin thereof, there was a boil and is healed,

Treasury of Scripture Knowledge

Summary

Then the priest shall look upon it: and, behold, if the hair in the bright spot be turned white, and it be in sight deeper than the skin; it is a leprosy broken out of the burning: wherefore the priest shall pronounce him unclean: it is the plague of leprosy.

Turned white

Bible References

Turned white

Leviticus 13:4
If the bright spot is white in the skin of his flesh and looks to be not deeper than the skin and the hair thereof is not turned white; then the priest shall shut up the one that has the plague seven days;