Leviticus 13:16-19 New King James Version (NKJV)

16. Or if the raw flesh changes and turns white again, he shall come to the priest.

17. And the priest shall examine him; and indeed if the sore has turned white, then the priest shall pronounce him clean who has the sore. He is clean.

18. “If the body develops a boil in the skin, and it is healed,

19. and in the place of the boil there comes a white swelling or a bright spot, reddish-white, then it shall be shown to the priest;

Leviticus 13