Leviticus 13:3-10

³And if he see the leprosy in his skin, and the hair turned white, and the place where the leprosy appears lower than the skin and the rest of the flesh: it is the stroke of the leprosy, and upon his judgment he shall be separated.

⁴But if there be a shining whiteness in the skin, and not lower than the other flesh, and the hair be of the former colour, the priest shall shut him up seven days.

⁵And the seventh day he shall look on him: and if the leprosy be grown no farther, and hath not spread itself in the skin, he shall shut him up again other seven days.

⁶And on the seventh day, he shall look on him: if the leprosy be somewhat obscure, and not spread in the skin, he shall declare him clean, because it is but a scab: and the man shall wash his clothes, and shall be clean.

⁷But if the leprosy grow again, after he was seen by the priest and restored to cleanness, he shall be brought to him,

⁸And shall be condemned of uncleanness.

⁹If the stroke of the leprosy be in a man, he shall be brought to the priest,

¹⁰And he shall view him. And when there shall be a white colour in the skin, and it shall have changed the look of the hair, and the living flesh itself shall appear: