Leviticus 13:25

then the priest shall examine it, and if the hair in the bright spot has turned white, and it appears deeper than the skin, then leprosy has broken out in the burn. So the priest shall pronounce him unclean; it is the disease of leprosy.

Leviticus 13:4

If the bright spot is white on the skin of his body and does not appear to be deeper than the skin, and the hair on it has not turned white, the priest shall isolate the person who has the infection for seven days.

Leviticus 13:18-20

“And when there is on the skin of the body [the scar of] a boil that 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 on the skin of his body and does not appear to be deeper than the skin, and the hair on it has not turned white, the priest shall isolate the person who has the infection for seven days.